ugni_btl_spawn_fix

diff --git a/opal/mca/common/ugni/common_ugni.c b/opal/mca/common/ugni/common_ugni.c
index 4860cd6b..7cb467a0 100644
--- a/opal/mca/common/ugni/common_ugni.c
+++ b/opal/mca/common/ugni/common_ugni.c
@@ -190,7 +190,7 @@ static int opal_common_ugni_send_modex (int my_cdm_id)
         msg_offset += modex_size;
     }
 
-    OPAL_MODEX_SEND(rc, PMIX_ASYNC_RDY, PMIX_REMOTE,
+    OPAL_MODEX_SEND(rc, PMIX_SYNC_REQD, PMIX_GLOBAL,
                     &opal_common_ugni_component,
                     modex_msg, total_msg_size);