diff --git a/src/libply/ply-logger.c b/src/libply/ply-logger.c
index 2d8d9b8e..7645aea5 100644
--- a/src/libply/ply-logger.c
+++ b/src/libply/ply-logger.c
@@ -357,9 +357,11 @@ ply_logger_flush (ply_logger_t *logger)
   if (!ply_logger_flush_buffer (logger))
     return false;
 
+#ifdef SYNC_ON_FLUSH
   if ((fdatasync (logger->output_fd) < 0) &&
       ((errno != EROFS) && (errno != EINVAL)))
     return false;
+#endif
 
   return true;
 }