diff --git a/targets/PROJECTS/CENTOS-LTE-EPC-INTEGRATION/CONF/enb.centos.memphis.conf b/targets/PROJECTS/CENTOS-LTE-EPC-INTEGRATION/CONF/enb.centos.memphis.conf
index d8fa9fbe6a..47c12a7926 100755
--- a/targets/PROJECTS/CENTOS-LTE-EPC-INTEGRATION/CONF/enb.centos.memphis.conf
+++ b/targets/PROJECTS/CENTOS-LTE-EPC-INTEGRATION/CONF/enb.centos.memphis.conf
@@ -5,7 +5,9 @@ Asn1_verbosity = "none";
 eNBs =
 (
  {
-    ////////// Identification parameters:
+    # real_time choice in {hard, rt-preempt, no}
+    real_time       =  "hard";
+        ////////// Identification parameters:
     eNB_ID    =  0xe00;
     
     cell_type =  "CELL_MACRO_ENB";