diff --git a/src/define.sh b/src/define.sh
index 1182eb8..dbd7766 100644
--- a/src/define.sh
+++ b/src/define.sh
@@ -1390,7 +1390,7 @@ prepareInstall() {
 
     case "$pid" in
       *"000" | *"270" | *"OEM" ) ;;
-      * ) warn "unknown PID: ${pid:(-3)}" ;;
+      * ) warn "unknown PID found in image: \"${pid:(-3)}\"" ;;
     esac
 
     if [[ "$driver" == "2k" ]]; then