diff --git a/app/streaming/video/ffmpeg-renderers/dxva2.cpp b/app/streaming/video/ffmpeg-renderers/dxva2.cpp
index 5dc5bb2e..8824dd80 100644
--- a/app/streaming/video/ffmpeg-renderers/dxva2.cpp
+++ b/app/streaming/video/ffmpeg-renderers/dxva2.cpp
@@ -1,3 +1,7 @@
+// minwindef.h defines min() and max() macros that conflict with
+// std::numeric_limits, which Qt uses in some of its headers.
+#define NOMINMAX
+
 #include <initguid.h>
 #include "dxva2.h"
 #include "../ffmpeg.h"