diff --git a/pkg/liquidity-source/algebra/integral/pool_simulator.go b/pkg/liquidity-source/algebra/integral/pool_simulator.go
index aa547d93f..09a67cbfa 100644
--- a/pkg/liquidity-source/algebra/integral/pool_simulator.go
+++ b/pkg/liquidity-source/algebra/integral/pool_simulator.go
@@ -525,14 +525,14 @@ func (p *PoolSimulator) calculateSwap(overrideFee, pluginFee uint32, zeroToOne b
 			var liquidityDelta = new(int256.Int)
 			if zeroToOne {
 				currentTick = step.nextTick - 1
+				initializedTick = step.nextTick - 1
 				liquidityDelta = liquidityDelta.Neg(liquidityNet)
 			} else {
 				currentTick = step.nextTick
+				initializedTick = step.nextTick
 				liquidityDelta = liquidityNet
 			}
 
-			initializedTick = step.nextTick
-
 			currentLiquidity, err = addDelta(currentLiquidity, liquidityDelta)
 			if err != nil {
 				return nil, nil, nil, 0, nil, FeesAmount{}, err
diff --git a/pkg/liquidity-source/algebra/integral/pool_simulator_test.go b/pkg/liquidity-source/algebra/integral/pool_simulator_test.go
index 43400286d..313af43ae 100644
--- a/pkg/liquidity-source/algebra/integral/pool_simulator_test.go
+++ b/pkg/liquidity-source/algebra/integral/pool_simulator_test.go
@@ -361,17 +361,17 @@ func TestCalcAmountOut(t *testing.T) {
 			expectedResult: &pool.CalcAmountOutResult{
 				TokenAmountOut: &pool.TokenAmount{
 					Token:  "0xf55bec9cafdbe8730f096aa55dad6d22d44099df",
-					Amount: big.NewInt(279874986), // Expected amount after swap
+					Amount: big.NewInt(1425476892), // Expected amount after swap
 				},
 				Fee: &pool.TokenAmount{
 					Token:  "0x06efdbff2a14a7c8e15944d1f4a48f9f95f663a4",
-					Amount: big.NewInt(641334), // Expected fees
+					Amount: big.NewInt(3207826239749998), // Expected fees
 				},
 				SwapInfo: StateUpdate{
 					GlobalState: GlobalState{
 						Unlocked:     true,
 						LastFee:      15000,
-						Tick:         -61,
+						Tick:         -487914,
 						PluginConfig: mockPluginConfig,
 						CommunityFee: mockCommunityFee,
 					},