diff --git a/clients/radarr_client.py b/clients/radarr_client.py
index b073c21..62e7bd2 100644
--- a/clients/radarr_client.py
+++ b/clients/radarr_client.py
@@ -187,7 +187,7 @@ class RadarrClient:
         
         while page <= 20:  # Safety limit
             data = self._get("/api/v3/history", {
-                "movieId": movie_id, 
+                "movieId": str(movie_id),  # Ensure it's a string
                 "page": page, 
                 "pageSize": page_size,
                 "sortKey": "date",