diff --git a/spirv-headers.spec b/spirv-headers.spec
index f1850df..0ca9623 100644
--- a/spirv-headers.spec
+++ b/spirv-headers.spec
@@ -39,6 +39,7 @@ This includes:
 
 %prep
 %autosetup -n SPIRV-Headers-%{commit}
+chmod a-x include/spirv/1.2/spirv.py
 
 
 %build