diff --git a/package/base-files/files/lib/functions/system.sh b/package/base-files/files/lib/functions/system.sh
index a4c0f2620c..8d75a5a8ce 100644
--- a/package/base-files/files/lib/functions/system.sh
+++ b/package/base-files/files/lib/functions/system.sh
@@ -82,6 +82,7 @@ macaddr_canonicalize()
 	local mac="$1"
 	local canon=""
 
+	mac=$(echo -n $mac | tr -d \")
 	[ ${#mac} -gt 17 ] && return
 	[ -n "${mac//[a-fA-F0-9\.: -]/}" ] && return