diff --git a/toolkit/webapps/tests/chrome.ini b/toolkit/webapps/tests/chrome.ini
index 52173a7a2e7f..774b4b142c31 100644
--- a/toolkit/webapps/tests/chrome.ini
+++ b/toolkit/webapps/tests/chrome.ini
@@ -1,5 +1,5 @@
 [DEFAULT]
-skip-if = buildapp == 'mulet' || os == "mac" # see bug 993690 and bug 1076941
+skip-if = buildapp == 'mulet' || os == "mac" && os_version == "10.6" # see bug 993690
 support-files =
   head.js
   app.sjs
diff --git a/webapprt/mac/webapprt.mm b/webapprt/mac/webapprt.mm
index 0c54cebc37df..f0c4eb9c1a13 100644
--- a/webapprt/mac/webapprt.mm
+++ b/webapprt/mac/webapprt.mm
@@ -117,7 +117,13 @@ main(int argc, char **argv)
     NSString* myWebRTPath = [myBundle pathForResource:@"webapprt"
                                                ofType:nil];
     if (!myWebRTPath) {
-      @throw MakeException(@"Missing Web Runtime Files", @"Cannot locate binary for this App");
+      myWebRTPath = [myBundlePath stringByAppendingPathComponent:@"Contents"];
+      myWebRTPath = [myWebRTPath stringByAppendingPathComponent:@"MacOS"];
+      myWebRTPath = [myWebRTPath stringByAppendingPathComponent:@"webapprt"];
+      if ([[NSFileManager defaultManager] fileExistsAtPath:myWebRTPath] == NO) {
+        @throw MakeException(@"Missing Web Runtime Files",
+                             @"Cannot locate binary for this App");
+      }
     }
 
     //GET FIREFOX BUILD ID