diff --git a/griptape/configs/logging/json_formatter.py b/griptape/configs/logging/json_formatter.py
index 2a9835cb0e..3477112a5e 100644
--- a/griptape/configs/logging/json_formatter.py
+++ b/griptape/configs/logging/json_formatter.py
@@ -13,5 +13,7 @@ def __attrs_pre_init__(self) -> None:
         super().__init__()
 
     def format(self, record: Any) -> str:
-        record.msg = json.dumps(record.msg, indent=self.indent)
+        if isinstance(record.msg, dict):
+            record.msg = json.dumps(record.msg, indent=self.indent)
+
         return super().format(record)