diff --git a/src/DualClassWrapper.ts b/src/DualClassWrapper.ts
index 94f3c2f..300ebef 100644
--- a/src/DualClassWrapper.ts
+++ b/src/DualClassWrapper.ts
@@ -162,7 +162,7 @@ export class DualClassWrapper extends BaseContractWrapper {
 		if (this.web3Wrapper.isReadOnly()) return this.web3Wrapper.readOnlyReject();
 		return this.contract.methods
 			.setValue(index, newValue)
-			.send(await this.web3Wrapper.getTransactionOption(account, CST.SET_VALUE_GAS, option));
+			.send(await this.web3Wrapper.getTransactionOption(account, CST.DUAL_CLASS_SET_VALUE_GAS, option));
 	}
 
 	public static convertCustodianState(rawState: string) {
diff --git a/src/MagiWrapper.ts b/src/MagiWrapper.ts
index edc6afc..da39669 100644
--- a/src/MagiWrapper.ts
+++ b/src/MagiWrapper.ts
@@ -111,7 +111,7 @@ export class MagiWrapper extends BaseContractWrapper {
 		if (this.web3Wrapper.isReadOnly()) return this.web3Wrapper.readOnlyReject();
 		return this.contract.methods
 			.setValue(index, newValue)
-			.send(await this.web3Wrapper.getTransactionOption(account, CST.SET_VALUE_GAS, option));
+			.send(await this.web3Wrapper.getTransactionOption(account, CST.MAGI_SET_VALUE_GAS, option));
 	}
 
 	public async updateRoleManager(
diff --git a/src/__snapshots__/DualClassWrapper.test.ts.snap b/src/__snapshots__/DualClassWrapper.test.ts.snap
index a2a2bef..fdd10c2 100644
--- a/src/__snapshots__/DualClassWrapper.test.ts.snap
+++ b/src/__snapshots__/DualClassWrapper.test.ts.snap
@@ -562,7 +562,7 @@ Array [
   Array [
     Object {
       "from": "account",
-      "gas": 100000,
+      "gas": 50000,
       "gasPrice": 1000000000,
       "nonce": 10,
     },
@@ -582,12 +582,12 @@ exports[`setValue 4`] = `
 Array [
   Array [
     "account",
-    100000,
+    50000,
     Object {},
   ],
   Array [
     "account",
-    100000,
+    50000,
     Object {
       "gasLimit": 20000,
       "gasPrice": 2000000000,
diff --git a/src/constants.ts b/src/constants.ts
index 027b80e..02af6d4 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -81,7 +81,8 @@ export const PROVIDER_MYETHER_MAIN = 'https://api.myetherapi.com/eth';
 export const PROVIDER_INFURA_MAIN = 'https://mainnet.infura.io';
 export const PROVIDER_INFURA_KOVAN = 'https://kovan.infura.io';
 export const TRANSFER_TOKEN_GAS = 120000;
-export const SET_VALUE_GAS = 100000;
+export const MAGI_SET_VALUE_GAS = 100000;
+export const DUAL_CLASS_SET_VALUE_GAS = 50000;
 export const COLLECT_FEE_GAS = 40000;
 export const ADD_ADDR_GAS = 40000;
 export const REMOVE_ADDR_GAS = 40000;