diff --git a/src/util/rc-stack.c b/src/util/rc-stack.c
index ce1b650b404c6f9d4f1fbd3da78ca10831634895..612b271bcf576cc2b7decac3ad1dcb19acee9d26 100644
--- a/src/util/rc-stack.c
+++ b/src/util/rc-stack.c
@@ -38,6 +38,9 @@ void rc_stack_create(struct rc_stack **s){
         case OPTIMISTIC:
             ss->mode = RC_OPT;
             break;
+        case OPTIMISTIC_REALTIME:
+            ss->mode = RC_OPT;
+            break;
         case OPTIMISTIC_DEBUG:
             ss->mode = RC_OPT_DBG;
             break;