diff --git a/dist/index.js b/dist/index.js
index aed138a..d77e3be 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -4742,6 +4742,7 @@ function getJava(version, arch, jdkFile, javaPackage) {
             toolPath = yield tc.cacheDir(jdkDir, javaPackage, getCacheVersionString(version), arch);
         }
         let extendedJavaHome = 'JAVA_HOME_' + version + '_' + arch;
+        core.exportVariable(extendedJavaHome, toolPath); //TODO: remove for v2
         // For portability reasons environment variables should only consist of
         // uppercase letters, digits, and the underscore. Therefore we convert
         // the extendedJavaHome variable to upper case and replace '.' symbols and
diff --git a/src/installer.ts b/src/installer.ts
index 29b0d89..ba70611 100644
--- a/src/installer.ts
+++ b/src/installer.ts
@@ -87,6 +87,7 @@ export async function getJava(
   }
 
   let extendedJavaHome = 'JAVA_HOME_' + version + '_' + arch;
+  core.exportVariable(extendedJavaHome, toolPath); //TODO: remove for v2
   // For portability reasons environment variables should only consist of
   // uppercase letters, digits, and the underscore. Therefore we convert
   // the extendedJavaHome variable to upper case and replace '.' symbols and