diff --git a/package.json b/package.json
index 5df2f2a8..567fbf07 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,8 @@
         {
           "id": "workspaceViewer",
           "title": "R",
-          "icon": "./images/Rlogo.svg"
+          "icon": "./images/Rlogo.svg",
+          "when": "r.isActive"
         }
       ]
     },