diff --git a/chrome/content/vimperator/commands.js b/chrome/content/vimperator/commands.js
index 6e3b3200..6f76ed3e 100644
--- a/chrome/content/vimperator/commands.js
+++ b/chrome/content/vimperator/commands.js
@@ -1006,7 +1006,7 @@ function Commands() //{{{
         function(args, special)
         {
             var where = special ? vimperator.NEW_TAB : vimperator.NEW_BACKGROUND_TAB;
-            if (vimperator.options["activate"].search(/\bquickmark\b/) > -1)
+            if (/\btabopen\b/.test(vimperator.options["activate"]))
                 where = special ? vimperator.NEW_BACKGROUND_TAB : vimperator.NEW_TAB;
 
             if (args.length > 0)
diff --git a/chrome/content/vimperator/mappings.js b/chrome/content/vimperator/mappings.js
index 0e1724a8..a6d104ad 100644
--- a/chrome/content/vimperator/mappings.js
+++ b/chrome/content/vimperator/mappings.js
@@ -378,7 +378,7 @@ function Mappings() //{{{
         function(mark)
         {
             vimperator.quickmarks.jumpTo(mark,
-                vimperator.options["activate"].search(/\bquickmark\b/) > -1 ?
+                /\bquickmark\b/.test(vimperator.options["activate"]) ?
                 vimperator.NEW_TAB : vimperator.NEW_BACKGROUND_TAB);
         },
         {
@@ -394,7 +394,7 @@ function Mappings() //{{{
         function()
         {
             vimperator.open(readFromClipboard(),
-                vimperator.options["activate"].search(/\bpaste\b/) > -1 ?
+                /\bpaste\b/.test(vimperator.options["activate"]) ?
                 vimperator.NEW_BACKGROUND_TAB : vimperator.NEW_TAB);
         },
         {
@@ -489,7 +489,7 @@ function Mappings() //{{{
         function()
         {
             vimperator.open(readFromClipboard(),
-                vimperator.options["activate"].search(/\bpaste\b/) > -1 ?
+                /\bpaste\b/.test(vimperator.options["activate"]) ?
                 vimperator.NEW_TAB : vimperator.NEW_BACKGROUND_TAB);
         },
         {