diff --git a/libs/libc/stream/lib_lowoutstream.c b/libs/libc/stream/lib_lowoutstream.c
index 8a9e2a83429..0000dda8f68 100644
--- a/libs/libc/stream/lib_lowoutstream.c
+++ b/libs/libc/stream/lib_lowoutstream.c
@@ -51,6 +51,20 @@ static void lowoutstream_putc(FAR struct lib_outstream_s *this, int ch)
     }
 }
 
+/****************************************************************************
+ * Name: lowoutstream_puts
+ ****************************************************************************/
+
+static int lowoutstream_puts(FAR struct lib_outstream_s *this,
+                             FAR const void *buf, int len)
+{
+  DEBUGASSERT(this);
+
+  this->nput += len;
+  up_nputs(buf, len);
+  return len;
+}
+
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
@@ -73,6 +87,7 @@ static void lowoutstream_putc(FAR struct lib_outstream_s *this, int ch)
 void lib_lowoutstream(FAR struct lib_outstream_s *stream)
 {
   stream->putc  = lowoutstream_putc;
+  stream->puts  = lowoutstream_puts;
   stream->flush = lib_noflush;
   stream->nput  = 0;
 }