--- a/src/plugins/multimedia/ffmpeg/qffmpegscreencapture_dxgi.cpp
+++ b/src/plugins/multimedia/ffmpeg/qffmpegscreencapture_dxgi.cpp
@@ -14,7 +14,7 @@
 #include <qwaitcondition.h>
 #include <qmutex.h>
 
-#include "D3d11.h"
+#include "d3d11.h"
 #include "dxgi1_2.h"
 
 #include <system_error>