diff --git a/api/routes.py b/api/routes.py
index 40c3fbf..29869e3 100644
--- a/api/routes.py
+++ b/api/routes.py
@@ -786,10 +786,27 @@ async def manual_scan(background_tasks: BackgroundTasks, path: Optional[str] = N
         movie_skipped = 0
         movie_processed = 0
         
+        def translate_host_path_to_container(path_str):
+            """Translate host paths to container paths for Docker volume mounts"""
+            path_str = str(path_str)
+            # Handle the common Docker volume mount: /mnt/unionfs/Media/ -> /media/
+            if path_str.startswith('/mnt/unionfs/Media/'):
+                container_path = path_str.replace('/mnt/unionfs/Media/', '/media/')
+                print(f"DEBUG: Translated host path '{path_str}' to container path '{container_path}'")
+                return container_path
+            # Handle case where user enters /Media/ instead of /media/ (case sensitivity)
+            elif path_str.startswith('/Media/'):
+                container_path = path_str.replace('/Media/', '/media/')
+                print(f"DEBUG: Fixed case sensitivity '{path_str}' to container path '{container_path}'")
+                return container_path
+            return path_str
+        
         paths_to_scan = []
         if path:
-            paths_to_scan = [Path(path)]
-            print(f"DEBUG: Manual scan with specific path: {path}")
+            # Translate the provided path from host format to container format
+            translated_path = translate_host_path_to_container(path)
+            paths_to_scan = [Path(translated_path)]
+            print(f"DEBUG: Manual scan with specific path: {path} -> {translated_path}")
         else:
             if scan_type in ["both", "tv"]:
                 paths_to_scan.extend(config.tv_paths)