diff --git a/srcpkgs/cairo-dock-plugins/template b/srcpkgs/cairo-dock-plugins/template
index f7c7c8a2b84..140a2bce660 100644
--- a/srcpkgs/cairo-dock-plugins/template
+++ b/srcpkgs/cairo-dock-plugins/template
@@ -16,7 +16,9 @@ license="GPL-2"
 homepage="https://launchpad.net/cairo-dock"
 distfiles="http://launchpad.net/cairo-dock-plug-ins/${version%.?}/${version}/+download/cairo-dock-plug-ins-${version}.tar.gz"
 checksum=e09b8e600398749d1f74b26e645b477a1844a3eea02fcadd6877935da3f8639e
-CFLAGS="-D_GNU_SOURCE"
+case "$XBPS_TARGET_MACHINE" in
+	*-musl) CFLAGS+="-D_GNU_SOURCE" ;;
+esac
 
 cairo-dock-plugins-python2_package() {
 	depends="python ${sourcepkg}>=${version}_${revision}"