diff --git a/Code/YLController.mm b/Code/YLController.mm
index 287d4e9..82c36c7 100644
--- a/Code/YLController.mm
+++ b/Code/YLController.mm
@@ -212,7 +212,8 @@ - (void) loadSites
 {
     NSArray *dictionaries = [[NSUserDefaults standardUserDefaults] arrayForKey: @"Sites"];
     for (NSDictionary *siteDictionay in dictionaries){
-        NSString *address =  [siteDictionay objectForKey:@"address"];
+        NSMutableDictionary *mutableSiteDictionary = [siteDictionay mutableCopy];
+        NSString *address =  [mutableSiteDictionary objectForKey:@"address"];
         if ( address )
         {
             NSString *account = [[[SSKeychain accountsForService:address]lastObject] objectForKey:@"acct"];
@@ -221,11 +222,11 @@ - (void) loadSites
             {
                 /* set account and password back to siteDict */
                 NSLog(@"%@,%@",account,password);
-                [siteDictionay setValue:account forKey:@"account"];
-                [siteDictionay setValue:password forKey:@"password"];
+                [mutableSiteDictionary setValue:account forKey:@"account"];
+                [mutableSiteDictionary setValue:password forKey:@"password"];
             }
         }
-        [self insertObject: [YLSite siteWithDictionary: siteDictionay] inSitesAtIndex: [self countOfSites]];
+        [self insertObject: [YLSite siteWithDictionary: mutableSiteDictionary] inSitesAtIndex: [self countOfSites]];
     }
 }