diff --git a/src/test/java/de/plushnikov/intellij/plugin/ExtensionMethodTest.java b/src/test/java/de/plushnikov/intellij/plugin/ExtensionMethodTest.java
index 8cce47bd7..9f9f00e65 100644
--- a/src/test/java/de/plushnikov/intellij/plugin/ExtensionMethodTest.java
+++ b/src/test/java/de/plushnikov/intellij/plugin/ExtensionMethodTest.java
@@ -8,6 +8,7 @@
 import com.intellij.testFramework.LightJavaCodeInsightTestCase;
 import com.intellij.testFramework.LightProjectDescriptor;
 
+import de.plushnikov.intellij.plugin.settings.ProjectSettings;
 import junit.framework.AssertionFailedError;
 import org.jetbrains.annotations.NotNull;
 
@@ -40,12 +41,18 @@ private void checkMethod(final PsiMethod method, final boolean successful) {
   private PsiMethod createTestMethod(final String body) { return PsiTreeUtil.findChildOfType(createTestFile("static void f() {" + body + "}"), PsiMethod.class); }
 
   private PsiFile createTestFile(final String body) {
+    enableExtensionMethodSupport();
+
     return createFile("test.java", "import java.util.*; import java.util.function.*;" +
                                    "@lombok.experimental.ExtensionMethod({" +
                                    "Objects.class, Arrays.class" +
                                    "}) class TestExtensionMethod { " + body + "}");
   }
 
+  private void enableExtensionMethodSupport() {
+    ProjectSettings.setEnabled(getProject(), ProjectSettings.IS_EXTENSION_METHOD_ENABLED, true);
+  }
+
   @NotNull
   @Override
   protected LightProjectDescriptor getProjectDescriptor() { return LombokTestUtil.getProjectDescriptor(); }