diff --git a/srcpkgs/gcolor3/template b/srcpkgs/gcolor3/template
index e77b04d7769..c4651edc964 100644
--- a/srcpkgs/gcolor3/template
+++ b/srcpkgs/gcolor3/template
@@ -12,3 +12,4 @@ license="GPL-2.0-or-later"
 homepage="https://www.hjdskes.nl/projects/gcolor3/"
 distfiles="https://gitlab.gnome.org/World/gcolor3/-/archive/v${version}/gcolor3-v${version}.tar.gz"
 checksum=b99a361d352ded2a7e867e2e6d33df2e03af0bebd4cc5bcd06959389566f9a79
+CFLAGS="-Wno-error=deprecated-declarations"