diff --git a/Makefile b/Makefile
index 9a5eec62..42d9f1d5 100644
--- a/Makefile
+++ b/Makefile
@@ -1020,6 +1020,7 @@ release-win32: INSTALLDIR := netradiant-$(RADIANT_VERSION_NUMBER)-$(BUILD_DATE)
 release-win32:
 	$(MAKE) all INSTALLDIR=$(INSTALLDIR) MAKEFILE_CONF=cross-Makefile.conf RADIANT_ABOUTMSG="Official release build" BUILD=release
 	7za a -sfx../../../../../../../../../../$(HOME)/7z.sfx ../$(INSTALLDIR)-win32-7z.exe $(INSTALLDIR)/
+	chmod 644 ../$(INSTALLDIR)-win32-7z.exe # 7zip is evil
 	$(MAKE) clean INSTALLDIR=$(INSTALLDIR) MAKEFILE_CONF=cross-Makefile.conf RADIANT_ABOUTMSG="Official release build" BUILD=release
 
 release-all: