diff --git a/cmd/nix-amer/main.go b/cmd/nix-amer/main.go
index bc5d77c..0e5c723 100644
--- a/cmd/nix-amer/main.go
+++ b/cmd/nix-amer/main.go
@@ -12,7 +12,7 @@ func main() {
 	// Manage arguments
 	ctx, bf, dryRun, err := GetArgs()
 	if err != nil {
-		fmt.Printf("%s", err)
+		fmt.Printf("%s\n", err)
 		return
 	}