diff --git a/instagrapi/mixins/user.py b/instagrapi/mixins/user.py
index e3c6ab38..a2526bc0 100644
--- a/instagrapi/mixins/user.py
+++ b/instagrapi/mixins/user.py
@@ -307,9 +307,10 @@ def user_friendships_v1(self, user_ids: List[str]) -> dict:
         -------
         dict
         """
+        user_ids_str = ','.join(user_ids)
         result = self.private_request(
             "friendships/show_many/",
-            data={"user_ids": user_ids},
+            data={"user_ids": user_ids_str},
             with_signature=False
         )
         return result["friendship_statuses"]