diff --git a/fs/orangefs/file.c b/fs/orangefs/file.c
index d865b58fb1fc0bbb4311a4b2ab8be03d7fc6b4a8..40b38057b826eff4badd9d8bfa517e0dbac93ce0 100644
--- a/fs/orangefs/file.c
+++ b/fs/orangefs/file.c
@@ -210,6 +210,7 @@ static ssize_t wait_for_direct_io(enum ORANGEFS_io_type type, struct inode *inod
 	 */
 	if (ret == -EAGAIN && op_state_purged(new_op)) {
 		orangefs_bufmap_put(bufmap, buffer_index);
+		buffer_index = -1;
 		gossip_debug(GOSSIP_FILE_DEBUG,
 			     "%s:going to repopulate_shared_memory.\n",
 			     __func__);