diff --git a/scripts/04-fix_kmod.sh b/scripts/04-fix_kmod.sh
index f2e260b..ebbc1ec 100644
--- a/scripts/04-fix_kmod.sh
+++ b/scripts/04-fix_kmod.sh
@@ -65,3 +65,6 @@ popd
 
 # routing - batman-adv fix build with linux-6.12
 curl -s $mirror/openwrt/patch/packages-patches/batman-adv/901-fix-linux-6.12rc2-builds.patch > feeds/routing/batman-adv/patches/901-fix-linux-6.12rc2-builds.patch
+
+# coova-chilli - fix gcc 15 c23
+[ "$gcc" = 15 ] && sed -i '/TARGET_CFLAGS/s/$/ -std=gnu17/' feeds/packages/net/coova-chilli/Makefile