diff --git a/z64dump.py b/z64dump.py
index 5cf5b87..d1e27f6 100755
--- a/z64dump.py
+++ b/z64dump.py
@@ -72,7 +72,7 @@ def dump_wrap(data, fn, size):
     except Exception as e:
         lament(fn, e)
         kind = None
-    else:
+    if kind is not None:
         fn += '.' + kind
     dump_as(data, fn, size)