diff --git a/include/AudioEngine.h b/include/AudioEngine.h
index 7a8213e97ee..518e0197bff 100644
--- a/include/AudioEngine.h
+++ b/include/AudioEngine.h
@@ -29,8 +29,10 @@
 
 #ifdef __MINGW32__
 #include <mingw.condition_variable.h>
+#include <mingw.mutex.h>
 #else
 #include <condition_variable>
+#include <mutex>
 #endif
 
 #if (QT_VERSION >= QT_VERSION_CHECK(5,14,0))