diff --git a/pre-commit.sh b/pre-commit.sh
index 4ebd8824c..d541eff4c 100755
--- a/pre-commit.sh
+++ b/pre-commit.sh
@@ -15,7 +15,7 @@ go_dirs() {
 }
 
 echo "Running go fmt"
-go_dirs | xargs -0 gofmt -s -d -l
+diff <(echo -n) <(go_dirs | xargs -0 gofmt -s -d -l)
 rc=$((rc || $?))
 
 echo "Running goimports"