diff --git a/posix.mak b/posix.mak
index ed6a5e8a2..11d184667 100644
--- a/posix.mak
+++ b/posix.mak
@@ -275,7 +275,7 @@ clean :
 	rm -rf $(ROOT_OF_THEM_ALL) $(ZIPFILE) $(DOC_OUTPUT_DIR)
 
 zip :
-	zip $(ZIPFILE) $(MAKEFILE) $(ALL_D_FILES) $(ALL_C_FILES)
+	zip $(ZIPFILE) $(MAKEFILE) $(ALL_D_FILES) $(ALL_C_FILES) win32.mak
 
 install : release
 	sudo cp $(LIB) /usr/lib/