diff --git a/ompi/mpi/c/start.c b/ompi/mpi/c/start.c
index 0fbaa4013d1..4c808c8c87f 100644
--- a/ompi/mpi/c/start.c
+++ b/ompi/mpi/c/start.c
@@ -78,13 +78,14 @@ int MPI_Start(MPI_Request *request)
     case OMPI_REQUEST_PML:
     case OMPI_REQUEST_COLL:
     case OMPI_REQUEST_PART:
-        if ( MPI_PARAM_CHECK && !(*request)->req_persistent) {
+        if ( MPI_PARAM_CHECK && !((*request)->req_persistent &&
+                                  OMPI_REQUEST_INACTIVE == (*request)->req_state)) {
             return OMPI_ERRHANDLER_NOHANDLE_INVOKE(MPI_ERR_REQUEST, FUNC_NAME);
         }
 
         ret = (*request)->req_start(1, request);
 
-        return ret;
+        return OMPI_ERRHANDLER_NOHANDLE_INVOKE(ret, FUNC_NAME);
 
     case OMPI_REQUEST_NOOP:
         /**
diff --git a/ompi/mpi/c/startall.c b/ompi/mpi/c/startall.c
index 1b223bb88aa..0804278f419 100644
--- a/ompi/mpi/c/startall.c
+++ b/ompi/mpi/c/startall.c
@@ -69,6 +69,7 @@ int MPI_Startall(int count, MPI_Request requests[])
                     ! requests[i]->req_persistent ||
                     (OMPI_REQUEST_PML  != requests[i]->req_type &&
                      OMPI_REQUEST_COLL != requests[i]->req_type &&
+                     OMPI_REQUEST_PART != requests[i]->req_type &&
                      OMPI_REQUEST_NOOP != requests[i]->req_type)) {
                     rc = MPI_ERR_REQUEST;
                     break;