--- a/plugins/mod_storage_sql.lua	Sun Dec 10 22:23:32 2017 +0100
+++ b/plugins/mod_storage_sql.lua	Tue Dec 12 01:40:09 2017 +0100
@@ -452,7 +452,7 @@
 		Column { name="type", type="TEXT", nullable=false };
 		Column { name="value", type="MEDIUMTEXT", nullable=false };
 		Index { name="prosodyarchive_index", unique = true, "host", "user", "store", "key" };
-		Index { name="prosodyarchive_with", "host", "user", "store", "with" };
+		Index { name="prosodyarchive_with_when", "host", "user", "store", "with", "when" };
 		Index { name="prosodyarchive_when", "host", "user", "store", "when" };
 	};
 	engine:transaction(function()