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 f9f1b62d71..97b76cfa6f 100644
--- a/common/src/test/java/io/netty/util/internal/TypeParameterMatcherTest.java
+++ b/common/src/test/java/io/netty/util/internal/TypeParameterMatcherTest.java
@@ -16,8 +16,11 @@
 
 package io.netty.util.internal;
 
+import org.junit.Ignore;
 import org.junit.Test;
 
+import java.util.Date;
+
 import static org.junit.Assert.*;
 
 public class TypeParameterMatcherTest {
@@ -128,4 +131,20 @@ public class TypeParameterMatcherTest {
         TypeParameterMatcher m = TypeParameterMatcher.find(new V<String>().u, U.class, "E");
         assertTrue(m.match(new Object()));
     }
+
+    private abstract class W<E> {
+        // Noop
+    }
+
+    private class X<T, E> extends W<E> {
+        // Noop
+    }
+
+    @Ignore("Fail currently because of #1247")
+    @Test
+    public void testConcreteClassWithGeneric() throws Exception {
+        TypeParameterMatcher m = TypeParameterMatcher.find(new X<String, Date>(), W.class, "E");
+        assertTrue(m.match(new Date()));
+        assertFalse(m.match(new Object()));
+    }
 }