diff --git a/home-modules/calendar-campuszeit-fix.nix b/home-modules/calendar-campuszeit-fix.nix
index fd7cd55..cd9da30 100644
--- a/home-modules/calendar-campuszeit-fix.nix
+++ b/home-modules/calendar-campuszeit-fix.nix
@@ -20,22 +20,21 @@ def replace_campus_timezone(directory):
         with open(filepath, 'r', encoding='utf-8') as f:
             content = f.read()
 
-        if 'TZID:Europe/Berlin' in content or 'TZID="Europe/Berlin"' in content:
-            # Remove VTIMEZONE block for CampusNetZeit (optional depending on needs)
-            # Use a regex if multiple VTIMEZONE blocks may exist
-            start_idx = content.find('BEGIN:VTIMEZONE')
-            end_idx = content.find('END:VTIMEZONE', start_idx)
-            if start_idx != -1 and end_idx != -1:
-                content = content[:start_idx] + content[end_idx + len('END:VTIMEZONE\n'):]
+        start_idx = content.find('BEGIN:VTIMEZONE')
+        end_idx = content.find('END:VTIMEZONE', start_idx)
+        if start_idx != -1 and end_idx != -1:
+            content = content[:start_idx] + content[end_idx + len('END:VTIMEZONE\n'):]
 
-            # Replace all TZID references
-            content = content.replace('TZID:Europe/Berlin', 'TZID:Europe/Berlin')
-            content = content.replace('TZID="Europe/Berlin"', 'TZID="Europe/Berlin"')
+        # Replace all TZID references
+        content = content.replace('TZID:CampusNetZeit', 'TZID:Europe/Berlin')
+        content = content.replace('TZID=CampusNetZeit', 'TZID=Europe/Berlin')
+        content = content.replace('TZID:"CampusNetZeit"', 'TZID:"Europe/Berlin"')
+        content = content.replace('TZID="CampusNetZeit"', 'TZID="Europe/Berlin"')
 
-            with open(filepath, 'w', encoding='utf-8') as f:
-                f.write(content)
+        with open(filepath, 'w', encoding='utf-8') as f:
+            f.write(content)
 
-            print(f"Updated time zone in: {filename}")
+        print(f"Updated time zone in: {filename}")
 
 if __name__ == "__main__":
     if len(sys.argv) != 2: