diff --git a/skyvern/forge/sdk/core/security.py b/skyvern/forge/sdk/core/security.py
index 5b63cfb5cc..830b410038 100644
--- a/skyvern/forge/sdk/core/security.py
+++ b/skyvern/forge/sdk/core/security.py
@@ -11,13 +11,14 @@
 
 
 def _normalize_numbers(x: Any) -> Any:
-    if isinstance(x, float):
+    if type(x) is float:
         return int(x) if x.is_integer() else x
-    if isinstance(x, dict):
+    elif type(x) is dict:
         return {k: _normalize_numbers(v) for k, v in x.items()}
-    if isinstance(x, list):
+    elif type(x) is list:
         return [_normalize_numbers(v) for v in x]
-    return x
+    else:
+        return x
 
 
 def _normalize_json_dumps(payload: dict) -> str: