diff --git a/plugins/gradle/tooling-extension-impl/src/org/jetbrains/plugins/gradle/model/DefaultExternalSourceSet.java b/plugins/gradle/tooling-extension-impl/src/org/jetbrains/plugins/gradle/model/DefaultExternalSourceSet.java
index 058822a0a273..da0d22f8bf04 100644
--- a/plugins/gradle/tooling-extension-impl/src/org/jetbrains/plugins/gradle/model/DefaultExternalSourceSet.java
+++ b/plugins/gradle/tooling-extension-impl/src/org/jetbrains/plugins/gradle/model/DefaultExternalSourceSet.java
@@ -37,7 +37,7 @@ public final class DefaultExternalSourceSet implements ExternalSourceSet {
   public DefaultExternalSourceSet(ExternalSourceSet sourceSet) {
     name = sourceSet.getName();
     isPreview = sourceSet.isPreview();
-    isPreview = sourceSet.isPreview();
+    javaToolchainHome = sourceSet.getJavaToolchainHome();
     sourceCompatibility = sourceSet.getSourceCompatibility();
     targetCompatibility = sourceSet.getTargetCompatibility();
     artifacts = copyArtifacts(sourceSet.getArtifacts());