diff --git a/dll/win32/comctl32/precomp.h b/dll/win32/comctl32/precomp.h
index 05f7b082dc6..236b6e540bc 100644
--- a/dll/win32/comctl32/precomp.h
+++ b/dll/win32/comctl32/precomp.h
@@ -20,6 +20,8 @@
 #include <uxtheme.h>
 #include <vssym32.h>
 
+#include <windowsx.h>
+
 #include <wine/debug.h>
 #include <wine/heap.h>
 #include <wine/list.h>