diff --git a/sources/src/caching/gradle-user-home-utils.ts b/sources/src/caching/gradle-user-home-utils.ts
index d9dd24b..1506c54 100644
--- a/sources/src/caching/gradle-user-home-utils.ts
+++ b/sources/src/caching/gradle-user-home-utils.ts
@@ -36,7 +36,7 @@ export function getPredefinedToolchains(): string | null {
       <vendor>Eclipse Temurin</vendor>
     </provides>
     <configuration>
-      <jdkHome>\${env.${javaHomeEnv}</jdkHome>
+      <jdkHome>\${env.${javaHomeEnv}}</jdkHome>
     </configuration>
   </toolchain>\n`
     }
diff --git a/sources/test/jest/predefined-toolchains.test.ts b/sources/test/jest/predefined-toolchains.test.ts
index 56e6ce3..3e6fe75 100644
--- a/sources/test/jest/predefined-toolchains.test.ts
+++ b/sources/test/jest/predefined-toolchains.test.ts
@@ -38,7 +38,7 @@ describe('predefined-toolchains', () => {
       <vendor>Eclipse Temurin</vendor>
     </provides>
     <configuration>
-      <jdkHome>\${env.JAVA_HOME_8_X64</jdkHome>
+      <jdkHome>\${env.JAVA_HOME_8_X64}</jdkHome>
     </configuration>
   </toolchain>
   <toolchain>
@@ -48,7 +48,7 @@ describe('predefined-toolchains', () => {
       <vendor>Eclipse Temurin</vendor>
     </provides>
     <configuration>
-      <jdkHome>\${env.JAVA_HOME_11_X64</jdkHome>
+      <jdkHome>\${env.JAVA_HOME_11_X64}</jdkHome>
     </configuration>
   </toolchain>
   <toolchain>
@@ -58,7 +58,7 @@ describe('predefined-toolchains', () => {
       <vendor>Eclipse Temurin</vendor>
     </provides>
     <configuration>
-      <jdkHome>\${env.JAVA_HOME_21_ARM64</jdkHome>
+      <jdkHome>\${env.JAVA_HOME_21_ARM64}</jdkHome>
     </configuration>
   </toolchain>
 </toolchains>