diff --git a/core/api/src/main/java/org/onosproject/net/flow/DefaultTrafficSelector.java b/core/api/src/main/java/org/onosproject/net/flow/DefaultTrafficSelector.java
index 96b5066..e887112 100644
--- a/core/api/src/main/java/org/onosproject/net/flow/DefaultTrafficSelector.java
+++ b/core/api/src/main/java/org/onosproject/net/flow/DefaultTrafficSelector.java
@@ -293,7 +293,7 @@
         }
 
         @Override
-        public Builder matchIPv6ExthdrFlags(int exthdrFlags) {
+        public Builder matchIPv6ExthdrFlags(short exthdrFlags) {
             return add(Criteria.matchIPv6ExthdrFlags(exthdrFlags));
         }