diff --git a/api/core/tools/provider/tool_provider.py b/api/core/tools/provider/tool_provider.py
index 7ba9dda17991c9..05c88b904e4a6d 100644
--- a/api/core/tools/provider/tool_provider.py
+++ b/api/core/tools/provider/tool_provider.py
@@ -153,7 +153,7 @@ def validate_credentials_format(self, credentials: dict[str, Any]) -> None:
 
             # check type
             credential_schema = credentials_need_to_validate[credential_name]
-            if credential_schema in {
+            if credential_schema.type in {
                 ToolProviderCredentials.CredentialsType.SECRET_INPUT,
                 ToolProviderCredentials.CredentialsType.TEXT_INPUT,
             }: