diff --git a/Makefile b/Makefile
index 475b9cb..dd3573c 100755
--- a/Makefile
+++ b/Makefile
@@ -313,6 +313,7 @@ WINCC = x86_64-w64-mingw32-gcc
 #WINCC = i686-w64-mingw32-g++
 .PHONY: crosswin
 crosswin:
+	make packer
 	make CC=$(WINCC) OS=Windows_NT
 
 crossmac: