diff --git a/src/bearbyWallet/BearbyAccount.ts b/src/bearbyWallet/BearbyAccount.ts
index 28363a62..bf6255f0 100644
--- a/src/bearbyWallet/BearbyAccount.ts
+++ b/src/bearbyWallet/BearbyAccount.ts
@@ -139,6 +139,11 @@ export class BearbyAccount implements Provider {
     }
   }
 
+  private async minimalFee(): Promise<bigint> {
+    const { minimalFee } = await this.networkInfos();
+    return minimalFee;
+  }
+
   public async callSC(params: CallSCParams): Promise<Operation> {
     // await this.connect();
 
@@ -146,11 +151,7 @@ export class BearbyAccount implements Provider {
     const unsafeParameters =
       args instanceof Uint8Array ? args : Uint8Array.from(args.serialize());
 
-    let fee = params?.fee;
-    if (!fee) {
-      const { minimalFee } = await this.networkInfos();
-      fee = minimalFee;
-    }
+    let fee = params?.fee ?? (await this.minimalFee());
 
     try {
       const operationId = await web3.contract.call({
@@ -179,11 +180,7 @@ export class BearbyAccount implements Provider {
     const unsafeParameters =
       args instanceof Uint8Array ? args : Uint8Array.from(args.serialize());
 
-    let fee = params?.fee;
-    if (!fee) {
-      const { minimalFee } = await this.networkInfos();
-      fee = minimalFee;
-    }
+    let fee = params?.fee ?? (await this.minimalFee());
 
     try {
       // const res = await web3.contract.readSmartContract({
diff --git a/src/bearbyWallet/utils/network.ts b/src/bearbyWallet/utils/network.ts
index b8f6fea1..e40ea0d9 100644
--- a/src/bearbyWallet/utils/network.ts
+++ b/src/bearbyWallet/utils/network.ts
@@ -1,5 +1,5 @@
 import { web3 } from '@hicaru/bearby.js';
-import { Network } from '@massalabs/massa-web3';
+import { Mas, Network } from '@massalabs/massa-web3';
 
 export const networkInfos = async (): Promise<Network> => {
   const { net } = await web3.wallet.network;
@@ -12,6 +12,6 @@ export const networkInfos = async (): Promise<Network> => {
   return {
     name: net,
     chainId: res.result.chain_id,
-    minimalFee: res.result.minimal_fee,
+    minimalFee: Mas.fromString(res.result.minimal_fee),
   };
 };