diff --git a/lib/v4-core b/lib/v4-core
index bd6cce2..bf1e7d0 160000
--- a/lib/v4-core
+++ b/lib/v4-core
@@ -1 +1 @@
-Subproject commit bd6cce29aec544aeb015cb9ce595266712854782
+Subproject commit bf1e7d0681d3d8eaaaa8b291cb6835569fa0c924
diff --git a/src/TtcVault.sol b/src/TtcVault.sol
index f23e93a..a89cc19 100644
--- a/src/TtcVault.sol
+++ b/src/TtcVault.sol
@@ -511,17 +511,11 @@ contract TtcVault is ITtcVault, ReentrancyGuard {
 
         // get a token/wETH pool's address
         
-        address pool = getPoolWithFee(tokenAddress, wEthAddress, UNISWAP_PRIMARY_POOL_FEE);
-        if (pool == address(0)) {
-            revert PoolDoesNotExist();
-        }
-
-        // convert to IUniswapV3PoolState to get access to sqrtPriceX96
-        IUniswapV3PoolState _pool = IUniswapV3PoolState(pool);
-        
-        uint24[3] memory feeTiers = [UNISWAP_SECONDARY_POOL_FEE, UNISWAP_TERTIARY_POOL_FEE, UNISWAP_QUATERNARY_POOL_FEE];
+        uint24[4] memory feeTiers = [UNISWAP_PRIMARY_POOL_FEE, UNISWAP_SECONDARY_POOL_FEE, UNISWAP_TERTIARY_POOL_FEE, UNISWAP_QUATERNARY_POOL_FEE];
+        address pool;
+        IUniswapV3PoolState _pool;
 
-        for (uint8 i; i < 3; i++) {
+        for (uint8 i; i < 4; i++) {
             pool = getPoolWithFee(tokenAddress, wEthAddress, feeTiers[i]);
             if (pool == address(0)) {
                 continue;
diff --git a/test/TtcVaultTest.t.sol b/test/TtcVaultTest.t.sol
index dab40e8..10f56a4 100644
--- a/test/TtcVaultTest.t.sol
+++ b/test/TtcVaultTest.t.sol
@@ -492,6 +492,57 @@ contract VaultTest is TtcTestContext {
         }
     }
 
+    function testDifferenceOfPricesPostMint() public {
+        uint96 weiAmount = 100 ether;
+        address user = makeAddr("user");
+        vm.deal(user, weiAmount);
+
+        address[10] memory allTokens = [
+            RETH_ADDRESS,
+            SHIB_ADDRESS,
+            OKB_ADDRESS,
+            LINK_ADDRESS,
+            WBTC_ADDRESS,
+            UNI_ADDRESS,
+            MATIC_ADDRESS,
+            ARB_ADDRESS,
+            MANTLE_ADDRESS,
+            MKR_ADDRESS
+        ];
+
+        uint256[10] memory pricesBefore;
+
+        for (uint8 i = 0; i < 9; i++) {
+            uint256 price = vault.getLatestPriceInEthOf(allTokens[i]);
+            pricesBefore[i] = price;
+            console.log("Price of ", ERC20(allTokens[i]).name(), " before mint: ", price);
+        }
+
+        vm.startPrank(user);
+        vault.mint{value: weiAmount}();
+        vm.stopPrank();
+
+        uint256 h = vm.getBlockNumber();
+        vm.roll(h + 100);
+
+        console.log();
+        console.log("Block number: ", vm.getBlockNumber());
+        console.log();
+
+        for (uint8 i = 0; i < 9; i++) {
+            uint256 price = vault.getLatestPriceInEthOf(allTokens[i]);
+            console.log("Price of ", ERC20(allTokens[i]).name(), " after mint: ", price);
+        }
+
+        // get fractions
+        for (uint8 i = 0; i < 9; i++) {
+            uint256 priceBefore = pricesBefore[i] * 100000000;
+            uint256 priceAfter = vault.getLatestPriceInEthOf(allTokens[i]);
+            uint256 diff = priceBefore / priceAfter;
+            console.log("Fraction ", ERC20(allTokens[i]).name(), ": ", diff);
+        }
+    }
+
     // Returns the amount of tokens that is x% of the balance of the vault
     function xPercentFromBalance(uint8 percent, address tokenAddress)
         private