diff --git a/butane.spec b/butane.spec
index a66a2c6..ead2bc2 100644
--- a/butane.spec
+++ b/butane.spec
@@ -71,7 +71,7 @@ cross-compilation.
 %autopatch -p1
 
 %build
-export LDFLAGS="-X github.com/coreos/butane/internal/version.Raw=%{version} "
+export LDFLAGS="-X github.com/coreos/butane/internal/version.Raw=%{version} $LDFLAGS"
 export GOFLAGS="-mod=vendor"
 
 echo "Building butane..."