diff --git a/4chan_x.user.js b/4chan_x.user.js
index bb6dbbf20..27a702569 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -842,11 +842,13 @@
         } else {
           key = '';
         }
-        if (e.altKey) {
-          key = 'alt+' + key;
-        }
-        if (e.ctrlKey) {
-          key = 'ctrl+' + key;
+        if (key) {
+          if (e.altKey) {
+            key = 'alt+' + key;
+          }
+          if (e.ctrlKey) {
+            key = 'ctrl+' + key;
+          }
         }
         return key;
       }
diff --git a/script.coffee b/script.coffee
index 596382646..8f805dda0 100644
--- a/script.coffee
+++ b/script.coffee
@@ -603,8 +603,9 @@ keybinds =
         key = 'Esc'
       else
         key = ''
-      if e.altKey  then key = 'alt+' + key
-      if e.ctrlKey then key = 'ctrl+' + key
+      if key
+        if e.altKey  then key = 'alt+' + key
+        if e.ctrlKey then key = 'ctrl+' + key
       key
 
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