diff --git a/core/common/src/test/java/org/onosproject/codec/impl/FlowRuleCodecTest.java b/core/common/src/test/java/org/onosproject/codec/impl/FlowRuleCodecTest.java
index 5eaa20e..2e0e8b3 100644
--- a/core/common/src/test/java/org/onosproject/codec/impl/FlowRuleCodecTest.java
+++ b/core/common/src/test/java/org/onosproject/codec/impl/FlowRuleCodecTest.java
@@ -97,7 +97,7 @@
         flowRuleCodec = context.codec(FlowRule.class);
         assertThat(flowRuleCodec, notNullValue());
 
-        expect(mockCoreService.getAppId(APP_ID.id()))
+        expect(mockCoreService.registerApplication(FlowRuleCodec.REST_APP_ID))
                 .andReturn(APP_ID).anyTimes();
         replay(mockCoreService);
         context.registerService(CoreService.class, mockCoreService);