diff --git a/raddb/mods-config/sql/main/postgresql/queries.conf b/raddb/mods-config/sql/main/postgresql/queries.conf
index a496dc062b96..5162044b8175 100644
--- a/raddb/mods-config/sql/main/postgresql/queries.conf
+++ b/raddb/mods-config/sql/main/postgresql/queries.conf
@@ -436,5 +436,5 @@ post-auth {
 			'%{User-Name}', \
 			'%{%{User-Password}:-Chap-Password}', \
 			'%{reply:Packet-Type}', \
-			NOW())"
+			'%S.%M')"
 }