1 files changed, 2 insertions, 1 deletions
diff --git a/src/H5B.c b/src/H5B.c
index b388531..47a6e15 100644
--- a/src/H5B.c
+++ b/src/H5B.c
@@ -463,7 +463,8 @@ H5B_flush(H5F_t *f, hbool_t destroy, haddr_t addr, H5B_t *bt)
 	 * for the final unchanged children.
 	 */
 #ifdef H5_HAVE_PARALLEL
-	H5FD_mpio_tas_allsame(f->shared->lf, TRUE); /* only p0 will write */
+	if (IS_H5FD_MPIO(f))
+	    H5FD_mpio_tas_allsame(f->shared->lf, TRUE); /* only p0 will write */
 #endif /* H5_HAVE_PARALLEL */
 	if (H5F_block_write(f, addr, (hsize_t)size, H5P_DEFAULT, bt->page)<0) {
 	    HRETURN_ERROR(H5E_BTREE, H5E_CANTFLUSH, FAIL,