diff --git a/lib/modules/console/suggestions.js b/lib/modules/console/suggestions.js
index 610e5d143..261924057 100644
--- a/lib/modules/console/suggestions.js
+++ b/lib/modules/console/suggestions.js
@@ -24,6 +24,7 @@ class Suggestions {
   }
 
   getSuggestions(cmd) {
+    if (!cmd) return []
     cmd = cmd.toLowerCase()
     let suggestions = []