diff --git a/sources/src/caching/gradle-user-home-utils.ts b/sources/src/caching/gradle-user-home-utils.ts
index d20bc22..0bc89ae 100644
--- a/sources/src/caching/gradle-user-home-utils.ts
+++ b/sources/src/caching/gradle-user-home-utils.ts
@@ -16,9 +16,9 @@ export function getPredefinedToolchains(): string | null {
     // Get the version and path for each JAVA_HOME env var
     const javaHomeEnvs = Object.entries(process.env)
         .filter(([key]) => key.startsWith('JAVA_HOME_') && process.env[key])
-        .map(([key, _value]) => ({
+        .map(([key, value]) => ({
             jdkVersion: key.match(/JAVA_HOME_(\d+)_/)?.[1] ?? null,
-            jdkPath: `\${env.${key}}`
+            jdkPath: value as string
         }))
         .filter(env => env.jdkVersion !== null)
 
@@ -40,7 +40,9 @@ ${javaHomeEnvs
     <configuration>
       <jdkHome>${jdkPath}</jdkHome>
     </configuration>
-  </toolchain>`).join('\n')}
+  </toolchain>`
+    )
+    .join('\n')}
 </toolchains>\n`
 }
 
diff --git a/sources/test/jest/predefined-toolchains.test.ts b/sources/test/jest/predefined-toolchains.test.ts
index 4e4f01e..637d9b9 100644
--- a/sources/test/jest/predefined-toolchains.test.ts
+++ b/sources/test/jest/predefined-toolchains.test.ts
@@ -39,7 +39,7 @@ describe('predefined-toolchains', () => {
       <version>8</version>
     </provides>
     <configuration>
-      <jdkHome>\${env.JAVA_HOME_8_X64}</jdkHome>
+      <jdkHome>/jdks/foo_8</jdkHome>
     </configuration>
   </toolchain>
   <toolchain>
@@ -48,7 +48,7 @@ describe('predefined-toolchains', () => {
       <version>11</version>
     </provides>
     <configuration>
-      <jdkHome>\${env.JAVA_HOME_11_X64}</jdkHome>
+      <jdkHome>/jdks/foo_11</jdkHome>
     </configuration>
   </toolchain>
   <toolchain>
@@ -57,7 +57,7 @@ describe('predefined-toolchains', () => {
       <version>21</version>
     </provides>
     <configuration>
-      <jdkHome>\${env.JAVA_HOME_21_ARM64}</jdkHome>
+      <jdkHome>/jdks/foo_21</jdkHome>
     </configuration>
   </toolchain>
 </toolchains>
@@ -81,7 +81,7 @@ describe('predefined-toolchains', () => {
       <version>8</version>
     </provides>
     <configuration>
-      <jdkHome>\${env.JAVA_HOME_8_X64}</jdkHome>
+      <jdkHome>/jdks/foo_8</jdkHome>
     </configuration>
   </toolchain>
 </toolchains>
@@ -98,7 +98,7 @@ describe('predefined-toolchains', () => {
       <version>8</version>
     </provides>
     <configuration>
-      <jdkHome>\${env.JAVA_HOME_8_X64}</jdkHome>
+      <jdkHome>/jdks/foo_8</jdkHome>
     </configuration>
   </toolchain>
 
@@ -109,7 +109,7 @@ describe('predefined-toolchains', () => {
       <version>11</version>
     </provides>
     <configuration>
-      <jdkHome>\${env.JAVA_HOME_11_X64}</jdkHome>
+      <jdkHome>/jdks/foo_11</jdkHome>
     </configuration>
   </toolchain>
 </toolchains>