diff --git a/mbtk/include/lynq/lynq-qser-data.h b/mbtk/include/lynq/lynq-qser-data.h
index ba4711f..35c4cd9 100755
--- a/mbtk/include/lynq/lynq-qser-data.h
+++ b/mbtk/include/lynq/lynq-qser-data.h
@@ -67,10 +67,8 @@
 	qser_data_call_ip_family_e ip_family;             /*!< IP version. */
 	qser_data_call_state_e state;                     /*!< The dial status. */
 	qser_data_call_error_e err;                       /*!< The Reason code after data call disconnected. */
-	union {
-		struct v4_address_status v4;            /*!< IPv4 information. */
-		struct v6_address_status v6;            /*!< IPv6 information. */
-	};
+	struct v4_address_status v4;            /*!< IPv4 information. */
+	struct v6_address_status v6;            /*!< IPv6 information. */
 } qser_data_call_state_s;
 
 /*