diff --git a/src/main/java/net/onrc/onos/core/matchaction/IMatchActionService.java b/src/main/java/net/onrc/onos/core/matchaction/IMatchActionService.java
index 9b829a5..9a87da9 100644
--- a/src/main/java/net/onrc/onos/core/matchaction/IMatchActionService.java
+++ b/src/main/java/net/onrc/onos/core/matchaction/IMatchActionService.java
@@ -23,7 +23,7 @@
      * @param id ID for MatchaAction object to be removed.
      * @return true if succeeded, false otherwise.
      */
-    boolean removeMatchAction(String id);
+    boolean removeMatchAction(MatchActionId id);
 
     /**
      * Replaces the existing match-action entry by specified match-action entry.