diff --git a/packages/contracts/contracts/ActivePool.sol b/packages/contracts/contracts/ActivePool.sol
index 1a24caa27..991277539 100644
--- a/packages/contracts/contracts/ActivePool.sol
+++ b/packages/contracts/contracts/ActivePool.sol
@@ -93,13 +93,13 @@ contract ActivePool is Ownable, CheckContract, IActivePool {
     function increaseLUSDDebt(uint _amount) external override {
         _requireCallerIsBOorTroveM();
         LUSDDebt  = LUSDDebt.add(_amount);
-        ActivePoolLUSDDebtUpdated(LUSDDebt);
+        emit ActivePoolLUSDDebtUpdated(LUSDDebt);
     }
 
     function decreaseLUSDDebt(uint _amount) external override {
         _requireCallerIsBOorTroveMorSP();
         LUSDDebt = LUSDDebt.sub(_amount);
-        ActivePoolLUSDDebtUpdated(LUSDDebt);
+        emit ActivePoolLUSDDebtUpdated(LUSDDebt);
     }
 
     // --- 'require' functions ---
diff --git a/packages/contracts/contracts/SortedTroves.sol b/packages/contracts/contracts/SortedTroves.sol
index 88da7c61d..c5e029714 100644
--- a/packages/contracts/contracts/SortedTroves.sol
+++ b/packages/contracts/contracts/SortedTroves.sol
@@ -198,7 +198,7 @@ contract SortedTroves is Ownable, CheckContract, ISortedTroves {
 
         delete data.nodes[_id];
         data.size = data.size.sub(1);
-        NodeRemoved(_id);
+        emit NodeRemoved(_id);
     }
 
     /*