diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/CommitOperator.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/CommitOperator.java
index ac8fd1a..8fa5091 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/CommitOperator.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/CommitOperator.java
@@ -25,7 +25,7 @@
     }
 
     @Override
-    public String getOperatorName() {
+    public String toString() {
         return "commit";
     }
 }
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/CommitPOperator.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/CommitPOperator.java
index 8d76ce2..e109d22 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/CommitPOperator.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/CommitPOperator.java
@@ -20,7 +20,12 @@
 
     @Override
     public PhysicalOperatorTag getOperatorTag() {
-        return PhysicalOperatorTag.COMMIT;
+        return PhysicalOperatorTag.EXTENSION_OPERATOR;
+    }
+    
+    @Override
+    public String toString() {
+        return "COMMIT";
     }
 
     @Override