diff --git a/include/Makefile.in b/include/Makefile.in
index 53ffaa2..3e94a2b 100644
--- a/include/Makefile.in
+++ b/include/Makefile.in
@@ -134,7 +134,8 @@
 	winver.h \
 	wnaspi32.h \
 	wownt32.h \
-	wtypes.h
+	wtypes.h \
+	zmouse.h
 
 EXTRASUBDIRS = bitmaps wine