diff --git a/modules/api/api.py b/modules/api/api.py
index 5fd57e9f6..2f7f9ab38 100644
--- a/modules/api/api.py
+++ b/modules/api/api.py
@@ -275,7 +275,7 @@ class Api:
 
     def sanitize_args(self, args: list):
         for idx in range(0, len(args)):
-            if len(args[idx]) >= 1000:
+            if isinstance(args[idx], str) and len(args[idx]) >= 1000:
                 args[idx] = f"<str {len(args[idx])}>"
 
     def sanitize_img_gen_request(self, request, img_gen_type: str):