diff --git a/edit/autocomplete.js b/edit/autocomplete.js
index 16b196d4..b8d32284 100644
--- a/edit/autocomplete.js
+++ b/edit/autocomplete.js
@@ -149,7 +149,7 @@
         }
         // properties and media features
         if (!list &&
-            /^(prop(erty|\?)|atom|error)/.test(type) &&
+            /^(prop(erty|\?)|atom|error|tag)/.test(type) &&
             /^(block|atBlock_parens|maybeprop)/.test(getTokenState())) {
           if (!cssProps) initCssProps();
           if (type === 'prop?') {