diff --git a/addons/source-python/packages/source-python/weapons/instance.py b/addons/source-python/packages/source-python/weapons/instance.py
index 10101cae1..edd5963da 100755
--- a/addons/source-python/packages/source-python/weapons/instance.py
+++ b/addons/source-python/packages/source-python/weapons/instance.py
@@ -190,7 +190,7 @@ def parse_weapon_constants(value, weapon_constants):
         if isinstance(value, int):
             try:
                 return weapon_constants(value)
-            except ValueError:
+            except (ValueError, TypeError):
                 pass
         elif isinstance(value, str):
             try: