diff --git a/src/video/cocoa/cocoa_v.mm b/src/video/cocoa/cocoa_v.mm
--- a/src/video/cocoa/cocoa_v.mm
+++ b/src/video/cocoa/cocoa_v.mm
@@ -400,7 +400,7 @@ bool VideoDriver_Cocoa::ChangeResolution
 {
 	assert(_cocoa_subdriver != NULL);
 
-	bool ret = _cocoa_subdriver->ChangeResolution(w, h);
+	bool ret = _cocoa_subdriver->ChangeResolution(w, h, BlitterFactoryBase::GetCurrentBlitter()->GetScreenDepth());
 
 	QZ_GameSizeChanged();
 	QZ_UpdateVideoModes();
@@ -444,6 +444,16 @@ bool VideoDriver_Cocoa::ToggleFullscreen
 }
 
 /**
+ * Callback invoked after the blitter was changed.
+ *
+ * @return True if no error.
+ */
+bool VideoDriver_Cocoa::AfterBlitterChange()
+{
+	return this->ChangeResolution(_screen.width, _screen.height);
+}
+
+/**
  * Catch asserts prior to initialization of the videodriver.
  *
  * @param title Window title.