diff --git a/contracts/zero-ex/contracts/src/features/INativeOrdersFeature.sol b/contracts/zero-ex/contracts/src/features/INativeOrdersFeature.sol
index 8e65340956..53943909fd 100644
--- a/contracts/zero-ex/contracts/src/features/INativeOrdersFeature.sol
+++ b/contracts/zero-ex/contracts/src/features/INativeOrdersFeature.sol
@@ -76,13 +76,26 @@ interface INativeOrdersFeature {
         address maker
     );
 
-    /// @dev Emitted whenever limit or RFQ orders are cancelled by pair by a maker.
+    /// @dev Emitted whenever Limit orders are cancelled by pair by a maker.
     /// @param maker The maker of the order.
     /// @param makerToken The maker token in a pair for the orders cancelled.
     /// @param takerToken The taker token in a pair for the orders cancelled.
     /// @param minValidSalt The new minimum valid salt an order with this pair must
     ///        have.
-    event PairOrdersCancelled(
+    event PairCancelledLimitOrders(
+        address maker,
+        address makerToken,
+        address takerToken,
+        uint256 minValidSalt
+    );
+
+    /// @dev Emitted whenever RFQ orders are cancelled by pair by a maker.
+    /// @param maker The maker of the order.
+    /// @param makerToken The maker token in a pair for the orders cancelled.
+    /// @param takerToken The taker token in a pair for the orders cancelled.
+    /// @param minValidSalt The new minimum valid salt an order with this pair must
+    ///        have.
+    event PairCancelledRfqOrders(
         address maker,
         address makerToken,
         address takerToken,
diff --git a/contracts/zero-ex/contracts/src/features/NativeOrdersFeature.sol b/contracts/zero-ex/contracts/src/features/NativeOrdersFeature.sol
index d089e41c48..fb529af11c 100644
--- a/contracts/zero-ex/contracts/src/features/NativeOrdersFeature.sol
+++ b/contracts/zero-ex/contracts/src/features/NativeOrdersFeature.sol
@@ -467,7 +467,7 @@ contract NativeOrdersFeature is
             [address(makerToken)]
             [address(takerToken)] = minValidSalt;
 
-        emit PairOrdersCancelled(
+        emit PairCancelledLimitOrders(
             msg.sender,
             address(makerToken),
             address(takerToken),
@@ -541,7 +541,7 @@ contract NativeOrdersFeature is
             [address(makerToken)]
             [address(takerToken)] = minValidSalt;
 
-        emit PairOrdersCancelled(
+        emit PairCancelledRfqOrders(
             msg.sender,
             address(makerToken),
             address(takerToken),
diff --git a/contracts/zero-ex/test/features/native_orders_feature_test.ts b/contracts/zero-ex/test/features/native_orders_feature_test.ts
index c170ac8a8c..332b08dbf1 100644
--- a/contracts/zero-ex/test/features/native_orders_feature_test.ts
+++ b/contracts/zero-ex/test/features/native_orders_feature_test.ts
@@ -587,7 +587,7 @@ blockchainTests.resets('NativeOrdersFeature', env => {
                         minValidSalt,
                     },
                 ],
-                IZeroExEvents.PairOrdersCancelled,
+                IZeroExEvents.PairCancelledLimitOrders,
             );
             const statuses = (await Promise.all(orders.map(o => zeroEx.getLimitOrderInfo(o).callAsync()))).map(
                 oi => oi.status,
@@ -624,7 +624,7 @@ blockchainTests.resets('NativeOrdersFeature', env => {
                         minValidSalt,
                     },
                 ],
-                IZeroExEvents.PairOrdersCancelled,
+                IZeroExEvents.PairCancelledRfqOrders,
             );
             const statuses = (await Promise.all(orders.map(o => zeroEx.getRfqOrderInfo(o).callAsync()))).map(
                 oi => oi.status,
@@ -680,7 +680,7 @@ blockchainTests.resets('NativeOrdersFeature', env => {
                         minValidSalt,
                     },
                 ],
-                IZeroExEvents.PairOrdersCancelled,
+                IZeroExEvents.PairCancelledLimitOrders,
             );
             const statuses = (await Promise.all(orders.map(o => zeroEx.getLimitOrderInfo(o).callAsync()))).map(
                 oi => oi.status,
@@ -722,7 +722,7 @@ blockchainTests.resets('NativeOrdersFeature', env => {
                         minValidSalt,
                     },
                 ],
-                IZeroExEvents.PairOrdersCancelled,
+                IZeroExEvents.PairCancelledRfqOrders,
             );
             const statuses = (await Promise.all(orders.map(o => zeroEx.getRfqOrderInfo(o).callAsync()))).map(
                 oi => oi.status,