diff --git a/CHANGELOG.md b/CHANGELOG.md
index 972ce8b..5eb1b67 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 All notable changes to this project will be documented in this file.
 
+## 1.12.2 - 2024.09.23
+### Fixed
+* Fixed an exception that was getting thrown when Craft wasn't installed yet
+
 ## 1.12.1 - 2024.04.15
 ### Added
 * Stable release for Craft CMS 5
diff --git a/composer.json b/composer.json
index 74a9667..cdf5d79 100755
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
   "name": "nystudio107/craft-autocomplete",
   "description": "Provides Twig template IDE autocomplete of Craft CMS & plugin variables",
   "type": "yii2-extension",
-  "version": "1.12.1",
+  "version": "1.12.2",
   "keywords": [
     "craft",
     "cms",
diff --git a/src/Autocomplete.php b/src/Autocomplete.php
index e43bdeb..54a83bb 100755
--- a/src/Autocomplete.php
+++ b/src/Autocomplete.php
@@ -137,12 +137,14 @@ public function registerEventHandlers()
      */
     public function generateAutocompleteClasses()
     {
-        $autocompleteGenerators = $this->getAllAutocompleteGenerators();
-        foreach ($autocompleteGenerators as $generatorClass) {
-            /* @var Generator $generatorClass */
-            $generatorClass::generate();
+        if (Craft::$app->getIsInstalled()) {
+            $autocompleteGenerators = $this->getAllAutocompleteGenerators();
+            foreach ($autocompleteGenerators as $generatorClass) {
+                /* @var Generator $generatorClass */
+                $generatorClass::generate();
+            }
+            Craft::info('Autocomplete classes generated', __METHOD__);
         }
-        Craft::info('Autocomplete classes generated', __METHOD__);
     }
 
     /**