diff --git a/source3/script/tests/test_posix_s3.sh b/source3/script/tests/test_posix_s3.sh
index b3a66e1db76..89a7ea73d2f 100755
--- a/source3/script/tests/test_posix_s3.sh
+++ b/source3/script/tests/test_posix_s3.sh
@@ -40,7 +40,7 @@ raw="$raw RAW-SAMBA3ROOTDIRFID"
 rpc="RPC-AUTHCONTEXT RPC-BINDSAMBA3 RPC-SAMBA3-SRVSVC RPC-SAMBA3-SHARESEC"
 rpc="$rpc RPC-SAMBA3-SPOOLSS RPC-SAMBA3-WKSSVC"
 rpc="$rpc RPC-NETLOGSAMBA3 RPC-SAMBA3SESSIONKEY RPC-SAMBA3-GETUSERNAME"
-rpc="$rpc RPC-SVCCTL RPC-SPOOLSS-WIN RPC-NTSVCS"
+rpc="$rpc RPC-SVCCTL RPC-SPOOLSS-WIN RPC-NTSVCS RPC-LSA-LOOKUPSIDS"
 
 # NOTE: to enable the UNIX-WHOAMI test, we need to change the default share
 # config to allow guest access. I'm not sure whether this would break other