diff --git a/src/wine-host/bridges/vst3.cpp b/src/wine-host/bridges/vst3.cpp
index 6a928f00..745fb1da 100644
--- a/src/wine-host/bridges/vst3.cpp
+++ b/src/wine-host/bridges/vst3.cpp
@@ -16,6 +16,8 @@
 
 #include "vst3.h"
 
+#include <bitset>
+
 #include "vst3-impls/component-handler-proxy.h"
 #include "vst3-impls/connection-point-proxy.h"
 #include "vst3-impls/context-menu-proxy.h"