diff --git a/mk b/mk
index 76a94680..9ce58fe2 100755
--- a/mk
+++ b/mk
@@ -30,7 +30,7 @@ findpath()
 
 x_()
 {
-	[ $# -lt 1 ] || "$@" || err "Unhandled error" "x_" "$@"; :
+	[ $# -lt 1 ] || "$@" || err "UNHANDLED ERROR" "x_" "$@"; :
 }
 
 err()