diff --git a/Attorney_Online.pro b/Attorney_Online.pro
index 97236fb..c7bf3d8 100644
--- a/Attorney_Online.pro
+++ b/Attorney_Online.pro
@@ -26,3 +26,5 @@ CONFIG += c++11
 RESOURCES += resources.qrc
 
 win32:RC_ICONS = resource/logo.ico
+
+QTPLUGIN += qapng
diff --git a/src/aooptionsdialog.cpp b/src/aooptionsdialog.cpp
index b1d0974..cd69c76 100644
--- a/src/aooptionsdialog.cpp
+++ b/src/aooptionsdialog.cpp
@@ -515,7 +515,7 @@ bool AOOptionsDialog::needs_default_audiodev()
 #elif defined __APPLE__
 bool AOOptionsDialog::needs_default_audiodev()
 {
-    return false;
+    return true;
 }
 #else
 #error This operating system is not supported.