diff --git a/meta-filesystems/recipes-utils/aufs-util/aufs-util_git.bb b/meta-filesystems/recipes-utils/aufs-util/aufs-util_git.bb
index 61ec508b43..0abbc9ef50 100644
--- a/meta-filesystems/recipes-utils/aufs-util/aufs-util_git.bb
+++ b/meta-filesystems/recipes-utils/aufs-util/aufs-util_git.bb
@@ -63,6 +63,6 @@ do_install:class-native () {
     done
 }
 
-RRECOMMENDS:${PN}:class-target += "kernel-module-aufs"
+RRECOMMENDS:${PN}:append:class-target = " kernel-module-aufs"
 
 BBCLASSEXTEND = "native"