diff --git a/easyaudit/signals/model_signals.py b/easyaudit/signals/model_signals.py
index 60a796e2..b76f2c36 100644
--- a/easyaudit/signals/model_signals.py
+++ b/easyaudit/signals/model_signals.py
@@ -54,7 +54,7 @@ def pre_save(sender, instance, raw, using, update_fields, **kwargs):
                 return False
             try:
                 object_json_repr = serializers.serialize("json", [instance])
-            except Exception:
+            except ValueError:
                 # We need a better way for this to work. ManyToMany will fail on pre_save on create
                 return None