diff --git a/common/src/test/java/io/netty/util/internal/TypeParameterMatcherTest.java b/common/src/test/java/io/netty/util/internal/TypeParameterMatcherTest.java
index 8cd6180903..47d8fb4398 100644
--- a/common/src/test/java/io/netty/util/internal/TypeParameterMatcherTest.java
+++ b/common/src/test/java/io/netty/util/internal/TypeParameterMatcherTest.java
@@ -131,7 +131,7 @@ public class TypeParameterMatcherTest {
         assertTrue(m.match(new Object()));
     }
 
-    private static abstract class W<E> {
+    private abstract static class W<E> {
         E e;
     }