diff --git a/toolkit/mozapps/downloads/content/nsHelperAppDlg.js b/toolkit/mozapps/downloads/content/nsHelperAppDlg.js
index 84b4cc00d6b8..0efa62edfb78 100755
--- a/toolkit/mozapps/downloads/content/nsHelperAppDlg.js
+++ b/toolkit/mozapps/downloads/content/nsHelperAppDlg.js
@@ -416,7 +416,7 @@ nsUnknownContentTypeDialog.prototype = {
             // On other platforms, default is Ok if there is a default app.
             // Note that nsIMIMEInfo providers need to ensure that this holds true
             // on each platform.
-            result = this.mLauncher.MIMEInfo.defaultApplicationHandler;
+            result = this.mLauncher.MIMEInfo.hasDefaultHandler;
         }
         return result;
     },
diff --git a/toolkit/mozapps/downloads/src/nsHelperAppDlg.js.in b/toolkit/mozapps/downloads/src/nsHelperAppDlg.js.in
index cb9c12f90616..c8c9abb760cc 100644
--- a/toolkit/mozapps/downloads/src/nsHelperAppDlg.js.in
+++ b/toolkit/mozapps/downloads/src/nsHelperAppDlg.js.in
@@ -488,7 +488,7 @@ nsUnknownContentTypeDialog.prototype = {
             // On other platforms, default is Ok if there is a default app.
             // Note that nsIMIMEInfo providers need to ensure that this holds true
             // on each platform.
-        return this.mLauncher.MIMEInfo.defaultApplicationHandler;
+        return this.mLauncher.MIMEInfo.hasDefaultHandler;
 #endif
     },