diff --git a/phc2sys.c b/phc2sys.c
index a36cbe0..9af93c6 100644
--- a/phc2sys.c
+++ b/phc2sys.c
@@ -821,13 +821,17 @@ static int is_msg_mgt(struct ptp_message *msg)
 
 static int get_mgt_id(struct ptp_message *msg)
 {
-	struct management_tlv *mgt = (struct management_tlv *) msg->management.suffix;
+	struct management_tlv *mgt;
+
+	mgt = (struct management_tlv *) msg->management.suffix;
 	return mgt->id;
 }
 
 static void *get_mgt_data(struct ptp_message *msg)
 {
-	struct management_tlv *mgt = (struct management_tlv *) msg->management.suffix;
+	struct management_tlv *mgt;
+
+	mgt = (struct management_tlv *) msg->management.suffix;
 	return mgt->data;
 }