diff -r f31b5213b163 -r a187c280dd3d project_files/HedgewarsMobile/Classes/MissionTrainingViewController.m
--- a/project_files/HedgewarsMobile/Classes/MissionTrainingViewController.m	Mon Apr 09 02:02:14 2012 +0200
+++ b/project_files/HedgewarsMobile/Classes/MissionTrainingViewController.m	Mon Apr 09 03:25:17 2012 +0200
@@ -64,7 +64,7 @@
     UIButton *button = (UIButton *)sender;
 
     if (button.tag == 0) {
-        [AudioManagerController playBackSound];
+        [[AudioManagerController mainManager] playBackSound];
         [[self parentViewController] dismissModalViewControllerAnimated:YES];
     } else {
         [GameInterfaceBridge registerCallingController:self];