diff --git a/src/video_core/host1x/nvdec.h b/src/video_core/host1x/nvdec.h
index b43e389ed2..b89e57f357 100644
--- a/src/video_core/host1x/nvdec.h
+++ b/src/video_core/host1x/nvdec.h
@@ -8,6 +8,7 @@
 
 #include <memory>
 #include <vector>
+#include <variant>
 
 #include "common/common_types.h"
 #include "video_core/cdma_pusher.h"