diff --git a/src/stkutil.c b/src/stkutil.c
index 3c792ff6..43c06cd2 100644
--- a/src/stkutil.c
+++ b/src/stkutil.c
@@ -1202,7 +1202,7 @@ static gboolean parse_dataobj_other_address(
 
 	data = comprehension_tlv_iter_get_data(iter);
 	oa->type = data[0];
-	memcpy(oa->addr, data + 1, len - 1);
+	memcpy(&oa->addr, data + 1, len - 1);
 
 	return TRUE;
 }
diff --git a/src/stkutil.h b/src/stkutil.h
index 08110484..1c05440f 100644
--- a/src/stkutil.h
+++ b/src/stkutil.h
@@ -562,7 +562,11 @@ struct stk_card_reader_id {
  * So the maximum size is 16 (for ipv6).
  */
 struct stk_other_address {
-	unsigned char addr[16];
+	union {
+		/* Network Byte Order */
+		unsigned int ipv4;
+		unsigned char ipv6[16];
+	} addr;
 	unsigned char type;
 };