diff --git a/pgpainless-core/src/test/java/investigations/KleopatraCompatibilityTest.java b/pgpainless-core/src/test/java/investigations/KleopatraCompatibilityTest.java
index 9781cb6b..cb6a26b9 100644
--- a/pgpainless-core/src/test/java/investigations/KleopatraCompatibilityTest.java
+++ b/pgpainless-core/src/test/java/investigations/KleopatraCompatibilityTest.java
@@ -1,6 +1,6 @@
 // SPDX-FileCopyrightText: 2021 Paul Schaub <info@pgpainless.org>
 //
-// SPDX-License-Identifier: CC0-1.0
+// SPDX-License-Identifier: Apache-2.0
 
 package investigations;