diff --git a/binarycpython/utils/functions.py b/binarycpython/utils/functions.py
index 935256e480e13845e1d287f52c76ff09be991c79..d6ad6922aaa3d6ea3304410c6ddf1bb7d215c89c 100644
--- a/binarycpython/utils/functions.py
+++ b/binarycpython/utils/functions.py
@@ -1341,8 +1341,8 @@ def merge_dicts(dict_1: dict, dict_2: dict) -> dict:
 
             else:
                 print(
-                    "Object types {},{} not supported".format(
-                        type(dict_1[key]), type(dict_2[key])
+                    "Object types {}: {} ({}), {} ({}) not supported.".format(
+                        key, dict_1[key], type(dict_1[key]), dict_2[key], type(dict_2[key])
                     )
                 )
                 raise ValueError