diff --git a/ompi/mca/osc/rdma/osc_rdma.c b/ompi/mca/osc/rdma/osc_rdma.c
index e2db1f3660..8226bc5496 100644
--- a/ompi/mca/osc/rdma/osc_rdma.c
+++ b/ompi/mca/osc/rdma/osc_rdma.c
@@ -69,6 +69,9 @@ ompi_osc_rdma_module_free(ompi_win_t *win)
     if (NULL != module->m_sc_remote_active_ranks) {
         free(module->m_sc_remote_active_ranks);
     }
+    if (NULL != module->m_pending_buffers) {
+        free(module->m_pending_buffers);
+    }
     if (NULL != module->m_fence_coll_counts) {
         free(module->m_fence_coll_counts);
     }