diff --git a/contrib/demos/tacker/deploy-tacker-demo-sfc b/contrib/demos/tacker/deploy-tacker-demo-sfc
index fe755556b7..a0f1478cc4 100644
--- a/contrib/demos/tacker/deploy-tacker-demo-sfc
+++ b/contrib/demos/tacker/deploy-tacker-demo-sfc
@@ -57,7 +57,7 @@ EOF
 }
 
 function deploy_sfc {
-    sh ./deploy-tacker-demo
+    bash ./deploy-tacker-demo
     create_servers
     sfc_gen_config
     echo "Creating VNFFGD"