diff --git a/.travis.yml b/.travis.yml
index 0d35bbc2f5bb..51f627c547ee 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,3 +11,5 @@ script:
   # disable DPDK build for a while
   - make clean ARCH=lib V=1 && make library ARCH=lib V=1
   - ./tools/testing/libos/nuse-test.sh
+  - make clean ARCH=lib V=1 && make library ARCH=lib OPT=no V=1
+  - ./tools/testing/libos/nuse-test.sh
diff --git a/arch/lib/random.c b/arch/lib/random.c
index 9fbb8bf55eae..282678d31f03 100644
--- a/arch/lib/random.c
+++ b/arch/lib/random.c
@@ -49,5 +49,6 @@ struct ctl_table random_table[] = {
 		.maxlen         = sizeof(int),
 		.mode           = 0444,
 		.proc_handler   = proc_dointvec,
-	}
+	},
+	{}
 };