diff --git a/makepanda/makewheel.py b/makepanda/makewheel.py
index 92037098dd..f727f10e73 100644
--- a/makepanda/makewheel.py
+++ b/makepanda/makewheel.py
@@ -343,7 +343,6 @@ class WheelFile(object):
                 # Otherwise, just copy it over.
                 temp.write(open(source_path, 'rb').read())
 
-            temp.write(open(source_path, 'rb').read())
             os.fchmod(temp.fileno(), os.fstat(temp.fileno()).st_mode | 0o111)
             temp.close()