diff --git a/bulla-contracts/abis/BullaFactoring.json b/bulla-contracts/abis/BullaFactoring.json
index bbf6b6f..178e66c 100644
--- a/bulla-contracts/abis/BullaFactoring.json
+++ b/bulla-contracts/abis/BullaFactoring.json
@@ -1516,9 +1516,9 @@
       "name": "calculateRealizedGainLoss",
       "outputs": [
         {
-          "internalType": "uint256",
+          "internalType": "int256",
           "name": "",
-          "type": "uint256"
+          "type": "int256"
         }
       ],
       "stateMutability": "view",
@@ -1798,9 +1798,9 @@
               "type": "uint256"
             },
             {
-              "internalType": "uint256",
+              "internalType": "int256",
               "name": "realizedGain",
-              "type": "uint256"
+              "type": "int256"
             },
             {
               "internalType": "uint256",
diff --git a/bulla-contracts/config/sepolia.json b/bulla-contracts/config/sepolia.json
index da08e99..ae790c9 100644
--- a/bulla-contracts/config/sepolia.json
+++ b/bulla-contracts/config/sepolia.json
@@ -8,5 +8,5 @@
   "bullaFinance": { "address": "0xB219ecd037E8A5410d2e8839586D9F3996685cfB", "startBlock": 5096555 },
   "frendLend": { "address": "0x3E058834CE20A54F0755889c008D3fF62D33cE85", "startBlock": 5096555 },
   "instantPayment": { "address": "0x1cD1A83C2965CB7aD55d60551877Eb390e9C3d7A", "startBlock": 5096555 },
-  "bullaFactoring": { "address": "0x2371A9F2c103f8f546a969109B350d6A13d0851B", "startBlock": 5752212 }
+  "bullaFactoring": { "address": "0xd186953b135012D4CF052437c17343F40b9B3816", "startBlock": 5960360 }
 }
\ No newline at end of file