diff --git a/lib/installer.js b/lib/installer.js
index 8fd3a272..5f068a15 100644
--- a/lib/installer.js
+++ b/lib/installer.js
@@ -15,7 +15,7 @@ var __importStar = (this && this.__importStar) || function (mod) {
     return result;
 };
 Object.defineProperty(exports, "__esModule", { value: true });
-let tempDirectory = process.env['RUNNER_TEMPDIRECTORY'] || '';
+let tempDirectory = process.env['RUNNER_TEMP'] || '';
 const core = __importStar(require("@actions/core"));
 const io = __importStar(require("@actions/io"));
 const exec = __importStar(require("@actions/exec"));
diff --git a/src/installer.ts b/src/installer.ts
index a9b5f4f9..646f552d 100644
--- a/src/installer.ts
+++ b/src/installer.ts
@@ -1,4 +1,4 @@
-let tempDirectory = process.env['RUNNER_TEMPDIRECTORY'] || '';
+let tempDirectory = process.env['RUNNER_TEMP'] || '';
 
 import * as core from '@actions/core';
 import * as io from '@actions/io';