diff --git a/addon/resolveurl_backend.py b/addon/resolveurl_backend.py
index 20326f5..a1bd4ee 100644
--- a/addon/resolveurl_backend.py
+++ b/addon/resolveurl_backend.py
@@ -12,6 +12,31 @@ import sys
 _LAST_RESOLVE_ERROR = ""
 
 
+def _append_kodi_dependency_paths() -> None:
+    """Ensure optional Kodi module dependencies are importable."""
+    try:
+        import xbmcaddon  # type: ignore
+        import xbmcvfs  # type: ignore
+    except Exception:
+        return
+    for addon_id in ("script.module.resolveurl", "script.module.kodi-six", "script.module.six"):
+        try:
+            addon = xbmcaddon.Addon(addon_id)
+            addon_path = addon.getAddonInfo("path") or ""
+        except Exception:
+            addon_path = ""
+        if not addon_path:
+            continue
+        try:
+            addon_path = xbmcvfs.translatePath(addon_path)
+        except Exception:
+            pass
+        lib_path = f"{addon_path}/lib"
+        for candidate in (lib_path, addon_path):
+            if candidate and candidate not in sys.path:
+                sys.path.append(candidate)
+
+
 def get_last_error() -> str:
     return str(_LAST_RESOLVE_ERROR or "")
 
@@ -26,21 +51,11 @@ def resolve(url: str) -> Optional[str]:
         import resolveurl as _resolveurl  # type: ignore
         resolveurl = _resolveurl
     except Exception:
-        # Ohne harte addon.xml-Abhaengigkeit liegt resolveurl ggf. nicht im Python-Pfad.
+        # Ohne harte addon.xml-Abhaengigkeit liegen optionale libs ggf. nicht im Python-Pfad.
+        _append_kodi_dependency_paths()
         try:
-            import xbmcaddon  # type: ignore
-            import xbmcvfs  # type: ignore
-
-            addon = xbmcaddon.Addon("script.module.resolveurl")
-            addon_path = addon.getAddonInfo("path") or ""
-            if addon_path:
-                lib_path = xbmcvfs.translatePath(f"{addon_path}/lib")
-                if lib_path and lib_path not in sys.path:
-                    sys.path.append(lib_path)
-                if addon_path and addon_path not in sys.path:
-                    sys.path.append(addon_path)
-                import resolveurl as _resolveurl  # type: ignore
-                resolveurl = _resolveurl
+            import resolveurl as _resolveurl  # type: ignore
+            resolveurl = _resolveurl
         except Exception:
             resolveurl = None
         if resolveurl is None: