diff --git a/build.sh b/build.sh
index 7fcfbcc..2958d2e 100755
--- a/build.sh
+++ b/build.sh
@@ -8,7 +8,7 @@ rm -f ./bin/boot.rom
 
 # When clang-format is present
 
-if command -v clang-format &> /dev/null
+if command -v clang-format > /dev/null 2>&1
 then
 	echo "Formatting.."
 	clang-format -i src/uxn.h