diff --git a/drivers/syslog/syslog_channel.c b/drivers/syslog/syslog_channel.c
index ec6cde95b9..c725590824 100644
--- a/drivers/syslog/syslog_channel.c
+++ b/drivers/syslog/syslog_channel.c
@@ -195,7 +195,7 @@ static ssize_t syslog_default_write(FAR struct syslog_channel_s *channel,
   nxsem_post(&g_syslog_default_sem);
 #endif
 
-  return OK;
+  return buflen;
 }
 #endif