diff --git a/periphery/src/Router.sol b/periphery/src/Router.sol
index ec4e71c..0859802 100644
--- a/periphery/src/Router.sol
+++ b/periphery/src/Router.sol
@@ -35,18 +35,19 @@ contract Router {
         uint8 v,
         bytes32 r,
         bytes32 s
-    ) external returns (uint256 shares) {
+    ) external payable returns (uint256 shares) {
         lender.permit(msg.sender, address(this), type(uint256).max, deadline, v, r, s);
 
         if (lender.balanceOf(msg.sender) > 0) {
             lender.redeem(type(uint256).max, msg.sender, msg.sender);
         }
 
+        ERC20 asset = lender.asset();
         // Transfer tokens from the caller to the lender.
         PERMIT2.permitTransferFrom(
             // The permit message.
             IPermit2.PermitTransferFrom({
-                permitted: IPermit2.TokenPermissions({token: lender.asset(), amount: amount}),
+                permitted: IPermit2.TokenPermissions({token: asset, amount: amount}),
                 nonce: nonce,
                 deadline: deadline
             }),
@@ -61,6 +62,12 @@ contract Router {
             signature
         );
 
+        if (msg.value > 0) {
+            address(asset).call{value: msg.value}(abi.encodeWithSignature("deposit()"));
+            asset.safeTransfer(address(lender), msg.value);
+            amount += msg.value;
+        }
+
         shares = lender.deposit(amount, msg.sender, courierId);
         unchecked {
             require(lender.convertToAssets(shares) > (amount * transmittance) / 10_000, "bad rounding");
@@ -74,12 +81,13 @@ contract Router {
         uint256 nonce,
         uint256 deadline,
         bytes calldata signature
-    ) external returns (uint256 shares) {
+    ) external payable returns (uint256 shares) {
+        ERC20 asset = lender.asset();
         // Transfer tokens from the caller to the lender.
         PERMIT2.permitTransferFrom(
             // The permit message.
             IPermit2.PermitTransferFrom({
-                permitted: IPermit2.TokenPermissions({token: lender.asset(), amount: amount}),
+                permitted: IPermit2.TokenPermissions({token: asset, amount: amount}),
                 nonce: nonce,
                 deadline: deadline
             }),
@@ -94,6 +102,12 @@ contract Router {
             signature
         );
 
+        if (msg.value > 0) {
+            address(asset).call{value: msg.value}(abi.encodeWithSignature("deposit()"));
+            asset.safeTransfer(address(lender), msg.value);
+            amount += msg.value;
+        }
+
         shares = lender.deposit(amount, msg.sender);
         unchecked {
             require(lender.convertToAssets(shares) > (amount * transmittance) / 10_000, "bad rounding");
diff --git a/periphery/src/managers/BoostManager.sol b/periphery/src/managers/BoostManager.sol
index 7b6a10d..f9498b9 100644
--- a/periphery/src/managers/BoostManager.sol
+++ b/periphery/src/managers/BoostManager.sol
@@ -97,8 +97,8 @@ contract BoostManager is IManager, IUniswapV3SwapCallback {
                     TickMath.getSqrtRatioAtTick(upper),
                     liquidity
                 );
-                amount0 = (needs0 + 1) > amount0 ? (needs0 + 1 - amount0) : 0;
-                amount1 = (needs1 + 1) > amount1 ? (needs1 + 1 - amount1) : 0;
+                amount0 = needs0 > 0 && needs0 > amount0 ? (needs0 + 1 - amount0) : 0;
+                amount1 = needs1 > 0 && needs1 > amount1 ? (needs1 + 1 - amount1) : 0;
             }
 
             require(amount0 < uint112(maxBorrows) && amount1 < (maxBorrows >> 112), "slippage");
diff --git a/periphery/src/managers/UniswapNFTManager.sol b/periphery/src/managers/UniswapNFTManager.sol
index 63fc60f..8c5dc97 100644
--- a/periphery/src/managers/UniswapNFTManager.sol
+++ b/periphery/src/managers/UniswapNFTManager.sol
@@ -64,8 +64,8 @@ contract UniswapNFTManager is IManager {
                 address(this)
             );
 
-            token0.safeApprove(address(UNISWAP_NFT), burned0);
-            token1.safeApprove(address(UNISWAP_NFT), burned1);
+            token0.safeApprove(address(UNISWAP_NFT), burned0 + 1);
+            token1.safeApprove(address(UNISWAP_NFT), burned1 + 1);
             UNISWAP_NFT.increaseLiquidity(
                 IUniswapPositionNFT.IncreaseLiquidityParams({
                     tokenId: tokenId,