diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileBlockIndex.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileBlockIndex.java
index c0f2fed94a3..4e793819cbf 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileBlockIndex.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileBlockIndex.java
@@ -119,7 +119,7 @@ public class TestHFileBlockIndex {
     fs = HFileSystem.get(conf);
   }
 
-  //@Test
+  @Test
   public void testBlockIndex() throws IOException {
     testBlockIndexInternals(false);
     clear();