diff --git a/api/models/model.py b/api/models/model.py
index 87806eb918..bf212e8036 100644
--- a/api/models/model.py
+++ b/api/models/model.py
@@ -257,7 +257,7 @@ class App(Base):
                 provider_id = tool.get("provider_id", "")
 
                 if provider_type == ToolProviderType.API.value:
-                    if provider_id not in existing_api_providers:
+                    if uuid.UUID(provider_id) not in existing_api_providers:
                         deleted_tools.append(
                             {
                                 "type": ToolProviderType.API.value,