diff --git a/mingw-w64-headers/include/zmouse.h b/mingw-w64-headers/include/zmouse.h
index 824c78e..4d219bf 100644
--- a/mingw-w64-headers/include/zmouse.h
+++ b/mingw-w64-headers/include/zmouse.h
@@ -5,6 +5,7 @@
  */
 
 #include <_mingw_unicode.h>
+#include <mingw_inc/_pushBOOL.h>
 
 #define MSH_MOUSEWHEEL __MINGW_STRING_AW("MSWHEEL_ROLLMSG")
 
@@ -45,4 +46,5 @@
   return(hdlMsWheel);
 }
 #endif /* !__CRT__NO_INLINE */
+#include <mingw_inc/_popBOOL.h>