diff --git a/qgis_plugin_repo/dispatcher.py b/qgis_plugin_repo/dispatcher.py
index 85a44fe..c2edb03 100644
--- a/qgis_plugin_repo/dispatcher.py
+++ b/qgis_plugin_repo/dispatcher.py
@@ -8,16 +8,20 @@
 from pathlib import Path
 from typing import List, Tuple, Union
 
+import requests
+
+from qgis_plugin_repo.tools import is_url
+
 
 class Dispatcher:
 
     def __init__(self, input_uri: Union[Path, str], outputs_uri: List[str]):
         """ Constructor. """
-        if isinstance(input_uri, str):
-            input_uri = Path(input_uri)
-
         self.input_uri = input_uri
-        self.input_parser = ET.parse(self.input_uri.absolute()).getroot()
+        if is_url:
+            self.input_parser = ET.fromstring(requests.get(self.input_uri).content)
+        else:
+            self.input_parser = ET.parse(self.input_uri.absolute()).getroot()
 
         self.outputs_uri = [Path(f) for f in outputs_uri]
 
diff --git a/qgis_plugin_repo/merger.py b/qgis_plugin_repo/merger.py
index 8b196c9..fafe833 100644
--- a/qgis_plugin_repo/merger.py
+++ b/qgis_plugin_repo/merger.py
@@ -8,6 +8,8 @@
 
 import requests
 
+from qgis_plugin_repo.tools import is_url
+
 __copyright__ = 'Copyright 2021, 3Liz'
 __license__ = 'GPL version 3'
 __email__ = 'info@3liz.org'
@@ -57,7 +59,7 @@ def init(self) -> None:
 
     def xml_input_parser(self) -> ET.Element:
         """ Returns the XML parser for the input file. """
-        if self.input_is_url():
+        if is_url(self.input_uri):
             self.input_parser = ET.fromstring(requests.get(self.input_uri).content)
         else:
             if not isinstance(self.input_uri, Path):
@@ -75,7 +77,12 @@ def xml_output_parser(self) -> ET.Element:
         if not self.exists():
             self.init()
 
-        self.output_tree = ET.parse(self.destination.absolute())
+        try:
+            self.output_tree = ET.parse(self.destination.absolute())
+        except ET.ParseError:
+            self.init()
+            self.output_tree = ET.parse(self.destination.absolute())
+
         self.output_parser = self.output_tree.getroot()
         return self.output_parser
 
diff --git a/qgis_plugin_repo/tools.py b/qgis_plugin_repo/tools.py
new file mode 100644
index 0000000..a9cea59
--- /dev/null
+++ b/qgis_plugin_repo/tools.py
@@ -0,0 +1,24 @@
+from pathlib import Path
+from typing import Union
+from urllib.parse import urlparse
+
+__copyright__ = 'Copyright 2022, 3Liz'
+__license__ = 'GPL version 3'
+__email__ = 'info@3liz.org'
+
+
+def is_url(uri: Union[Path, str]) -> bool:
+    """ Check if the URI can be a URL. """
+    if isinstance(uri, Path):
+        return False
+
+    path = Path(uri)
+    if path.exists():
+        return False
+
+    # noinspection PyBroadException
+    try:
+        urlparse(uri)
+        return True
+    except Exception:
+        return False