diff --git a/deploy/core/010_deploy_LinearERC20Voting.ts b/deploy/core/010_deploy_LinearERC20Voting.ts
index 822bfade..f5e4b77c 100644
--- a/deploy/core/010_deploy_LinearERC20Voting.ts
+++ b/deploy/core/010_deploy_LinearERC20Voting.ts
@@ -3,6 +3,20 @@ import { DeployFunction } from "hardhat-deploy/types";
 import { deployNonUpgradeable } from "../helpers/deployNonUpgradeable";
 
 const func: DeployFunction = async (hre: HardhatRuntimeEnvironment) => {
+  const chainId = await hre.getChainId();
+
+  // On mainnet and polygon, this contract is slightly
+  // different than all other chains, which is the current version
+  // of LinearERC20Voting.sol.
+  // So, this will deploy on mainnet and polygon, because
+  // the current version of the contract wasn't deployed.
+  // It would be nice to just deploy the updated version and
+  // tell the frontend to start using it (it is an implenentation master
+  // copy after all), but I don't think it's that easy.
+  if (chainId === "1" || chainId === "137") {
+    return;
+  }
+
   await deployNonUpgradeable(hre, "LinearERC20Voting", []);
 };
 
diff --git a/deploy/core/014_deploy_LinearERC20WrappedVoting.ts b/deploy/core/014_deploy_LinearERC20WrappedVoting.ts
index 436d9614..ea3cb00d 100644
--- a/deploy/core/014_deploy_LinearERC20WrappedVoting.ts
+++ b/deploy/core/014_deploy_LinearERC20WrappedVoting.ts
@@ -3,6 +3,20 @@ import { DeployFunction } from "hardhat-deploy/types";
 import { deployNonUpgradeable } from "../helpers/deployNonUpgradeable";
 
 const func: DeployFunction = async (hre: HardhatRuntimeEnvironment) => {
+  const chainId = await hre.getChainId();
+
+  // On mainnet and polygon, this contract is slightly
+  // different than all other chains, which is the current version
+  // of LinearERC20Voting.sol.
+  // So, this will deploy on mainnet and polygon, because
+  // the current version of the contract wasn't deployed.
+  // It would be nice to just deploy the updated version and
+  // tell the frontend to start using it (it is an implenentation master
+  // copy after all), but I don't think it's that easy.
+  if (chainId === "1" || chainId === "137") {
+    return;
+  }
+
   await deployNonUpgradeable(hre, "LinearERC20WrappedVoting", []);
 };