diff --git a/devtools/client/inspector/rules/rules.js b/devtools/client/inspector/rules/rules.js
index 7f8646c8b898..e8b097ac344d 100644
--- a/devtools/client/inspector/rules/rules.js
+++ b/devtools/client/inspector/rules/rules.js
@@ -1773,7 +1773,7 @@ RuleViewTool.prototype = {
       return false;
     }
 
-    return this.inspector.isSplitRuleViewEnabled ?
+    return this.inspector.is3PaneModeEnabled ?
       true : this.inspector.sidebar.getCurrentTabID() == "ruleview";
   },