diff --git a/buffer/src/test/java/io/netty/buffer/AbstractCompositeChannelBufferTest.java b/buffer/src/test/java/io/netty/buffer/AbstractCompositeChannelBufferTest.java
index 97bc1f8b8b..0c69083dc2 100644
--- a/buffer/src/test/java/io/netty/buffer/AbstractCompositeChannelBufferTest.java
+++ b/buffer/src/test/java/io/netty/buffer/AbstractCompositeChannelBufferTest.java
@@ -106,7 +106,9 @@ public abstract class AbstractCompositeChannelBufferTest extends
         byte index = 0;
         
         while (index < buf.capacity()) {
-            assertNotNull(buf.getBufferFor(index++));
+            ByteBuf _buf = buf.getBufferFor(index++);
+            assertNotNull(_buf);
+            assertTrue(_buf.capacity() > 0);
         }
     }