diff --git a/firefox.spec b/firefox.spec
index c20b85f..2b6c42f 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -524,6 +524,7 @@ chmod a-x third_party/rust/gfx-backend-vulkan/src/*.rs
 chmod a-x third_party/rust/gfx-hal/src/*.rs
 chmod a-x third_party/rust/ash/src/extensions/ext/*.rs
 chmod a-x third_party/rust/ash/src/extensions/khr/*.rs
+chmod a-x third_party/rust/ash/src/extensions/nv/*.rs
 
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