diff --git a/ios/ScratchJr/src/IO.m b/ios/ScratchJr/src/IO.m
index 1d11d86..f2eea80 100644
--- a/ios/ScratchJr/src/IO.m
+++ b/ios/ScratchJr/src/IO.m
@@ -280,12 +280,14 @@ NSMutableDictionary *soundtimers;
 }
 
 + (void)soundEnded:(NSTimer*)timer {
-        NSString *soundName = [[timer userInfo] objectForKey:@"soundName"];
-        if (sounds[soundName] == nil) return;
-        NSString *callback = [NSString stringWithFormat:@"iOS.soundDone('%@');", soundName];
-        UIWebView *webview = [ViewController webview];
+    NSString *soundName = [[timer userInfo] objectForKey:@"soundName"];
+    if (sounds[soundName] == nil) return;
+    NSString *callback = [NSString stringWithFormat:@"iOS.soundDone('%@');", soundName];
+    UIWebView *webview = [ViewController webview];
+    dispatch_async(dispatch_get_main_queue(), ^{
         [webview stringByEvaluatingJavaScriptFromString:callback];
-    }
+    });
+}
 
 + (NSString *)stopSound :(NSString*)name  {
     AVAudioPlayer *snd = sounds[name];
diff --git a/ios/ScratchJr/src/ScratchJr.m b/ios/ScratchJr/src/ScratchJr.m
index 7d531f8..e5b6cca 100644
--- a/ios/ScratchJr/src/ScratchJr.m
+++ b/ios/ScratchJr/src/ScratchJr.m
@@ -19,7 +19,9 @@ NSString *oncomplete;
 
 + (NSString *) hideSplash :(NSString *)body{
     UIImageView* splashScreen = [ViewController splashScreen];
-    [splashScreen removeFromSuperview];
+    dispatch_async(dispatch_get_main_queue(), ^{
+        [splashScreen removeFromSuperview];
+    });
     return @"1";
 }