diff --git a/srcpkgs/xscreensaver/template b/srcpkgs/xscreensaver/template
index a2a95bf800d..38877de9560 100644
--- a/srcpkgs/xscreensaver/template
+++ b/srcpkgs/xscreensaver/template
@@ -20,6 +20,9 @@ changelog="https://www.jwz.org/xscreensaver/changelog.html"
 distfiles="https://www.jwz.org/xscreensaver/xscreensaver-${version}.tar.gz"
 checksum=5e6d6cb09033ad562cfe6d46bf9312e4451f7946bed8a4671aa9344df9193184
 
+# marbling.c: In function 'fade': incompatible type for argument 1 of 'vqdmulhq_s16'
+CFLAGS=-flax-vector-conversions
+
 do_install() {
 	vmkdir etc/pam.d
 	make install_prefix=${DESTDIR} install