diff --git a/appinfo/database.xml b/appinfo/database.xml
index eec1edc..2ce66a8 100644
--- a/appinfo/database.xml
+++ b/appinfo/database.xml
@@ -119,6 +119,15 @@
 					<name>sms_mailbox</name>
 				</field>
 			</index>
+			<index>
+				<name>smsdata_user_smsid</name>
+				<field>
+					<name>user_id</name>
+				</field>
+				<field>
+					<name>sms_id</name>
+				</field>
+			</index>
 			<index>
 				<name>smsdata_user_mailbox_date</name>
 				<field>