diff --git a/sgsn/SGSN_Tests_Iu.ttcn b/sgsn/SGSN_Tests_Iu.ttcn
index 786961f..2b63b4e 100644
--- a/sgsn/SGSN_Tests_Iu.ttcn
+++ b/sgsn/SGSN_Tests_Iu.ttcn
@@ -85,9 +85,8 @@
 
 control {
 	execute( TC_iu_attach() );
-	/* FIXME: will crash the sgsn
-	 * execute( TC_iu_attach_geran_rau() );
-	 * execute( TC_geran_attach_iu_rau() ); */
+	execute( TC_iu_attach_geran_rau() );
+	execute( TC_geran_attach_iu_rau() );
 }