diff --git a/.travis.yml b/.travis.yml
index db5e1e14..aa7b05bb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,6 +18,7 @@ env:
   - WP_VERSION=4.8.8 WP_MULTISITE=0
   - WP_VERSION=4.9.9 WP_MULTISITE=0
   - WP_VERSION=5.0.3 WP_MULTISITE=0
+  - WP_VERSION=5.1 WP_MULTISITE=0
   - WP_VERSION=nightly WP_MULTISITE=0
 
 stages:
@@ -46,7 +47,7 @@ jobs:
     script: ./vendor/bin/phpunit --no-coverage --exclude-group unittests
   - stage: validate
     name: 'Latest versions'
-    env: WP_VERSION=5.0.3 WP_MULTISITE=0
+    env: WP_VERSION=5.1 WP_MULTISITE=0
     php: '7.3'
     before_install: composer require phpunit/phpunit:5.7.* --dev
     before_script:
@@ -57,6 +58,14 @@ jobs:
     script: ./vendor/bin/phpunit
     after_script:
       - ./cc-test-reporter after-build --coverage-input-type clover --exit-code $TRAVIS_TEST_RESULT
+  - stage: test
+    name: 'Latest versions, pretty permalinks'
+    env: WP_VERSION=5.1 WP_MULTISITE=0 WP_TESTS_PERMALINK=PRETTY
+    php: '7.3'
+  - stage: test
+    name: 'Latest versions, PATHINFO permalinks'
+    env: WP_VERSION=5.1 WP_MULTISITE=0 WP_TESTS_PERMALINK=PATHINFO
+    php: '7.3'
 
 matrix:
   exclude:
diff --git a/src/Admin/Initializer.php b/src/Admin/Initializer.php
index 532c9edb..66c81efb 100644
--- a/src/Admin/Initializer.php
+++ b/src/Admin/Initializer.php
@@ -9,6 +9,7 @@
 use abrain\Einsatzverwaltung\Options;
 use abrain\Einsatzverwaltung\PermalinkController;
 use abrain\Einsatzverwaltung\Settings\MainPage;
+use abrain\Einsatzverwaltung\Types\Report;
 use abrain\Einsatzverwaltung\Utilities;
 
 /**
@@ -34,6 +35,7 @@ public function __construct(Data $data, Options $options, Utilities $utilities,
         add_filter('dashboard_glance_items', array($this, 'addReportsToDashboard'));
         add_filter('plugin_row_meta', array($this, 'pluginMetaLinks'), 10, 2);
         add_filter("plugin_action_links_{$pluginBasename}", array($this,'addActionLinks'));
+        add_filter('use_block_editor_for_post_type', array($this, 'useBlockEditorForReports'), 10, 2);
 
         $reportListTable = new ReportListTable();
         add_filter('manage_edit-einsatz_columns', array($reportListTable, 'filterColumnsEinsatz'));
@@ -216,4 +218,19 @@ public function displayAdminNotices()
             echo '<a href="' . $url . '" class="button button-primary">Anpassung durchf&uuml;hren</a></p></div>';
         }
     }
+
+    /**
+     * @param bool $useBlockEditor
+     * @param string $postType
+     *
+     * @return bool
+     */
+    public function useBlockEditorForReports($useBlockEditor, $postType)
+    {
+        if ($postType === Report::SLUG && get_option('einsatz_disable_blockeditor', '0') === '1') {
+            return false;
+        }
+
+        return $useBlockEditor;
+    }
 }
diff --git a/src/Core.php b/src/Core.php
index 5613796c..eedbd8f0 100644
--- a/src/Core.php
+++ b/src/Core.php
@@ -11,7 +11,7 @@
  */
 class Core
 {
-    const VERSION = '1.5.0';
+    const VERSION = '1.5.1';
     const DB_VERSION = 40;
 
    /**
diff --git a/src/PermalinkController.php b/src/PermalinkController.php
index 3ac3325b..4ad8e2f3 100644
--- a/src/PermalinkController.php
+++ b/src/PermalinkController.php
@@ -47,7 +47,7 @@ public function addRewriteRules(Report $report)
             $this->reportRewriteSlug = $report->rewriteSlug;
 
             // add rules for paginated year archive
-            $base = ltrim($wp_rewrite->front, '/') . $this->reportRewriteSlug;
+            $base = $this->getRewriteBase();
             add_rewrite_rule(
                 $base . '/(\d{4})/page/(\d{1,})/?$',
                 'index.php?post_type=einsatz&year=$matches[1]&paged=$matches[2]',
@@ -140,6 +140,15 @@ public function filterRequest($queryvars)
         return $this->modifyQueryVars($queryvars, $this->reportPermalink);
     }
 
+    /**
+     * @return string
+     */
+    public function getRewriteBase()
+    {
+        global $wp_rewrite;
+        return ltrim($wp_rewrite->front, '/') . $this->reportRewriteSlug;
+    }
+
     /**
      * Returns the regular expression necessary to disassemble the selector (part of the URL specifying a single report)
      *
@@ -160,7 +169,7 @@ public function getSelectorRegEx($permalink)
      */
     public function getPermalink($selector)
     {
-        $path = sprintf('%s/%s', $this->reportRewriteSlug, $selector);
+        $path = sprintf('%s/%s', $this->getRewriteBase(), $selector);
         return home_url(user_trailingslashit($path));
     }
 
diff --git a/src/Settings/Pages/Advanced.php b/src/Settings/Pages/Advanced.php
index 33548ff7..9d817a09 100644
--- a/src/Settings/Pages/Advanced.php
+++ b/src/Settings/Pages/Advanced.php
@@ -61,6 +61,13 @@ public function addSettingsFields()
             $this->settingsApiPage,
             'einsatzvw_settings_advreport'
         );
+        add_settings_field(
+            'einsatzvw_advreport_gutenberg',
+            'Gutenberg',
+            array($this, 'echoFieldGutenberg'),
+            $this->settingsApiPage,
+            'einsatzvw_settings_advreport'
+        );
     }
 
     public function addSettingsSections()
@@ -144,6 +151,14 @@ public function echoFieldCoreFeatures()
         echo '</fieldset>';
     }
 
+    public function echoFieldGutenberg()
+    {
+        echo '<fieldset>';
+        $this->echoSettingsCheckbox('einsatz_disable_blockeditor', 'Block-Editor f&uuml;r Einsatzberichte deaktivieren');
+        echo '<p class="description">Diese Einstellung betrifft nur WordPress 5.0 und neuer.</p>';
+        echo '</fieldset>';
+    }
+
     public function echoFieldUrlStructure()
     {
         echo '<fieldset>';
@@ -228,5 +243,10 @@ public function registerSettings()
             'einsatz_support_posttag',
             array('\abrain\Einsatzverwaltung\Utilities', 'sanitizeCheckbox')
         );
+        register_setting(
+            'einsatzvw_settings_advanced',
+            'einsatz_disable_blockeditor',
+            array('\abrain\Einsatzverwaltung\Utilities', 'sanitizeCheckbox')
+        );
     }
 }
diff --git a/src/einsatzverwaltung.php b/src/einsatzverwaltung.php
index 80261c37..620f0a42 100644
--- a/src/einsatzverwaltung.php
+++ b/src/einsatzverwaltung.php
@@ -3,7 +3,7 @@
 Plugin Name: Einsatzverwaltung
 Plugin URI: https://einsatzverwaltung.abrain.de
 Description: Verwaltung und Darstellung von Einsatzberichten der Feuerwehr und anderer Hilfsorganisationen
-Version: 1.5.0
+Version: 1.5.1
 Author: Andreas Brain
 Author URI: https://www.abrain.de
 License: GPLv2
diff --git a/src/readme.txt b/src/readme.txt
index 325bcfbf..879a63fb 100644
--- a/src/readme.txt
+++ b/src/readme.txt
@@ -5,7 +5,7 @@ Tags: Feuerwehr, Hilfsorganisation, Öffentlichkeitsarbeit
 Requires at least: 4.7.0
 Tested up to: 5.1
 Requires PHP: 5.3.0
-Stable tag: 1.5.0
+Stable tag: 1.5.1
 License: GPLv2
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 
@@ -55,6 +55,10 @@ Nein, mehr gibt es [hier](https://einsatzverwaltung.abrain.de/faq/).
 
 == Changelog ==
 
+= 1.5.1 =
+* URLs für PATHINFO-Permalinks (beginnen mit /index.php/) repariert
+* Block-Editor kann für Einsatzberichte deaktiviert werden
+
 = 1.5.0 =
 * Grundlegende Unterstützung für den neuen Blockeditor
 * API teilweise aktiviert
diff --git a/tests/PermalinkControllerTest.php b/tests/PermalinkControllerTest.php
index db100d16..80a3051f 100644
--- a/tests/PermalinkControllerTest.php
+++ b/tests/PermalinkControllerTest.php
@@ -24,6 +24,50 @@ public function testBuildSelector()
         $this->assertEquals("prefix/$report->post_name/suffix", $controller->buildSelector($report, 'prefix/%postname%/suffix'));
     }
 
+    /**
+     * @group unittests
+     * It's not completely a unit test, but that way this test is skipped for the old PHP/PHPUnit version which doesn't
+     * support createMock().
+     */
+    public function testGetPermalink()
+    {
+        $controller = new PermalinkController();
+        $report = $this->createMock('abrain\Einsatzverwaltung\Types\Report');
+        $report->rewriteSlug = 'customrewriteslug';
+        $controller->addRewriteRules($report);
+
+        if (getenv('WP_TESTS_PERMALINK') === 'PRETTY') {
+            $this->assertEquals(
+                'http://example.org/customrewriteslug/some-unique-selector/',
+                $controller->getPermalink('some-unique-selector')
+            );
+        } elseif (getenv('WP_TESTS_PERMALINK') === 'PATHINFO') {
+            $this->assertEquals(
+                'http://example.org/index.php/customrewriteslug/some-unique-selector/',
+                $controller->getPermalink('some-unique-selector')
+            );
+        }
+    }
+
+    /**
+     * @group unittests
+     */
+    public function testGetRewriteBase()
+    {
+        $controller = new PermalinkController();
+        $report = $this->createMock('abrain\Einsatzverwaltung\Types\Report');
+        $report->rewriteSlug = 'customrewriteslug';
+        $controller->addRewriteRules($report);
+
+        if (getenv('WP_TESTS_PERMALINK') === 'PRETTY') {
+            $this->assertEquals('customrewriteslug', $controller->getRewriteBase());
+        } elseif (getenv('WP_TESTS_PERMALINK') === 'PATHINFO') {
+            $this->assertEquals('index.php/customrewriteslug', $controller->getRewriteBase());
+        } else {
+            $this->assertEquals('', $controller->getRewriteBase());
+        }
+    }
+
     /**
      * @dataProvider queryVarTests
      * @param string $input
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 1c3eb3fa..0ffd87dd 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -17,6 +17,12 @@
     // Zeitzone setzen
     update_option('timezone_string', 'Europe/Berlin');
     date_default_timezone_set('Europe/Berlin');
+
+    if (getenv('WP_TESTS_PERMALINK') === 'PRETTY') {
+        update_option('permalink_structure', '/%year%/%monthnum%/%postname%/');
+    } elseif (getenv('WP_TESTS_PERMALINK') === 'PATHINFO') {
+        update_option('permalink_structure', '/index.php/%year%/%monthnum%/%postname%/');
+    }
 });
 
 require $_tests_dir . '/includes/bootstrap.php';