diff --git a/ioengines.c b/ioengines.c
index e0b0f22..35471ad 100644
--- a/ioengines.c
+++ b/ioengines.c
@@ -402,6 +402,7 @@
 
 		if (ret) {
 			td_verror(td, ret, "fio_set_odirect");
+			log_err("fio: the file system does not seem to support direct IO\n");
 			goto err;
 		}
 	}