diff --git a/selftest/target/Samba4.pm b/selftest/target/Samba4.pm
index 649e923ff9a..1ebdf2a5484 100755
--- a/selftest/target/Samba4.pm
+++ b/selftest/target/Samba4.pm
@@ -1040,7 +1040,7 @@ servicePrincipalName: http/testupnspn.$ctx->{dnsname}
 	$samba_tool_cmd .= "KRB5_CONFIG=\"$ret->{KRB5_CONFIG}\" ";
 	$samba_tool_cmd .= "KRB5CCNAME=\"$ret->{KRB5_CCACHE}\" ";
 	$samba_tool_cmd .= Samba::bindir_path($self, "samba-tool")
-	    . " group addmembers --configfile=$ctx->{smb_conf} 'Allowed RODC Password Replication Group' '$testallowed_account'";
+	    . " group addmembers --configfile=$ctx->{smb_conf} 'Allowed RODC Password Replication Group' '$testallowed_account' -d10";
 	unless (system($samba_tool_cmd) == 0) {
 		warn("Unable to add '$testallowed_account' user to 'Allowed RODC Password Replication Group': \n$samba_tool_cmd\n");
 		return undef;