diff --git a/ompi/mca/pml/ob1/pml_ob1_recvreq.c b/ompi/mca/pml/ob1/pml_ob1_recvreq.c
index 3ed2685f4e..fef2c5e95d 100644
--- a/ompi/mca/pml/ob1/pml_ob1_recvreq.c
+++ b/ompi/mca/pml/ob1/pml_ob1_recvreq.c
@@ -95,10 +95,12 @@ static void mca_pml_ob1_recv_request_construct(mca_pml_ob1_recv_request_t* reque
     request->req_recv.req_base.req_ompi.req_fini = mca_pml_ob1_recv_request_fini;
     request->req_recv.req_base.req_ompi.req_free = mca_pml_ob1_recv_request_free;
     request->req_recv.req_base.req_ompi.req_cancel = mca_pml_ob1_recv_request_cancel;
+    OBJ_CONSTRUCT(&request->req_recv.req_convertor, ompi_convertor_t);
 }
 
 static void mca_pml_ob1_recv_request_destruct(mca_pml_ob1_recv_request_t* request)
 {
+    OBJ_DESTRUCT(&request->req_recv.req_convertor);
 }
 
 
diff --git a/ompi/mca/pml/ob1/pml_ob1_sendreq.c b/ompi/mca/pml/ob1/pml_ob1_sendreq.c
index f1050877bd..fef7f7e15c 100644
--- a/ompi/mca/pml/ob1/pml_ob1_sendreq.c
+++ b/ompi/mca/pml/ob1/pml_ob1_sendreq.c
@@ -77,10 +77,12 @@ static void mca_pml_ob1_send_request_construct(mca_pml_ob1_send_request_t* req)
     req->req_send.req_base.req_ompi.req_fini = mca_pml_ob1_send_request_fini;
     req->req_send.req_base.req_ompi.req_free = mca_pml_ob1_send_request_free;
     req->req_send.req_base.req_ompi.req_cancel = mca_pml_ob1_send_request_cancel;
+    OBJ_CONSTRUCT(&req->req_send.req_convertor, ompi_request_t);
 }
 
 static void mca_pml_ob1_send_request_destruct(mca_pml_ob1_send_request_t* req)
 {
+    OBJ_DESTRUCT(&req->req_send.req_convertor);
 }