diff --git a/drivers/misc/rwbuffer.c b/drivers/misc/rwbuffer.c
index 40355e8469a..68f951a9821 100644
--- a/drivers/misc/rwbuffer.c
+++ b/drivers/misc/rwbuffer.c
@@ -1182,6 +1182,8 @@ ssize_t rwb_readbytes(FAR struct rwbuffer_s *dev, off_t offset,
 #ifdef CONFIG_DRVR_REMOVABLE
 int rwb_mediaremoved(FAR struct rwbuffer_s *rwb)
 {
+  int ret;
+
 #ifdef CONFIG_DRVR_WRITEBUFFER
   if (rwb->wrmaxblocks > 0)
     {