diff --git a/cli/src/main/java/org/onosproject/cli/net/DeviceKeyAddCommand.java b/cli/src/main/java/org/onosproject/cli/net/DeviceKeyAddCommand.java
index 1f7ceab..44bc483 100644
--- a/cli/src/main/java/org/onosproject/cli/net/DeviceKeyAddCommand.java
+++ b/cli/src/main/java/org/onosproject/cli/net/DeviceKeyAddCommand.java
@@ -72,7 +72,7 @@
             deviceKey = DeviceKey.createDeviceKeyUsingUsernamePassword(DeviceKeyId.deviceKeyId(id),
                                                                        label, username, password);
         } else {
-            print("Invalid Device key type: ", type);
+            print("Invalid Device key type: {}", type);
             return;
         }
         service.addKey(deviceKey);