diff --git a/srcpkgs/sway/template b/srcpkgs/sway/template
index 45f213bd741..dbda8d9318f 100644
--- a/srcpkgs/sway/template
+++ b/srcpkgs/sway/template
@@ -15,6 +15,9 @@ homepage="http://swaywm.org"
 distfiles="https://github.com/SirCmpwn/sway/archive/${version}.tar.gz"
 checksum=05526e3038d2a5490a64bd816f1f04d2a6c214ddc6182835312b273b40b737ae
 
+pre_configure() {
+	sed -i CMakeLists.txt -e "s;-Werror;-Wno-error;"
+}
 post_install() {
 	vlicense LICENSE
 	# must be setuid without logind!