diff --git a/macosx/Controller.m b/macosx/Controller.m
index 7bbef6658..ff7420692 100644
--- a/macosx/Controller.m
+++ b/macosx/Controller.m
@@ -149,7 +149,7 @@ typedef enum
 
 #define WEBSITE_URL @"http://www.transmissionbt.com/"
 #define FORUM_URL   @"http://forum.transmissionbt.com/"
-#define TRAC_URL   @"http://trac.transmissionbt.com/"
+#define TRAC_URL    @"http://trac.transmissionbt.com/"
 #define DONATE_URL  @"http://www.transmissionbt.com/donate.php"
 
 #define DONATE_NAG_TIME (60 * 60 * 24 * 7)
diff --git a/macosx/PrefsController.m b/macosx/PrefsController.m
index 03afad84a..2aa07e1f2 100644
--- a/macosx/PrefsController.m
+++ b/macosx/PrefsController.m
@@ -409,6 +409,9 @@ tr_session * fHandle;
             [fPortStatusField setStringValue: NSLocalizedString(@"Port check site is down", "Preferences -> Network -> port status")];
             [fPortStatusImage setImage: [NSImage imageNamed: @"YellowDot.png"]];
             break;
+        default:
+            NSAssert1(NO, @"Port checker returned invalid status: %d", [fPortChecker status]);
+            return;
     }
     [fPortChecker release];
     fPortChecker = nil;