diff --git a/rowbot b/rowbot
index ef67b48..6d90618 100755
--- a/rowbot
+++ b/rowbot
@@ -79,7 +79,7 @@ is_running () {
 
 random() {
   local min=$1 max=$2
-  (( (RANDOM % max) + min ))
+  printf %d "$(( (RANDOM % max) + min ))"
 }
 
 run_callbacks() {