diff --git a/apps/newoptical/src/main/java/org/onosproject/newoptical/OpticalPathProvisioner.java b/apps/newoptical/src/main/java/org/onosproject/newoptical/OpticalPathProvisioner.java
index 944d3b6..65499f4 100644
--- a/apps/newoptical/src/main/java/org/onosproject/newoptical/OpticalPathProvisioner.java
+++ b/apps/newoptical/src/main/java/org/onosproject/newoptical/OpticalPathProvisioner.java
@@ -626,7 +626,7 @@
 
         // short-term hack for ONS'17 time-frame,
         // only expect OF device to have link discovery.
-        return cp.deviceId().uri().getScheme().equals("of");
+        return "of".equals(cp.deviceId().uri().getScheme());
     }
 
     /**