diff --git a/CHANGES.txt b/CHANGES.txt
index 15ff50d4f46..0c75570769b 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -162,6 +162,8 @@ Bug Fixes
 15. SOLR-898: Fix null pointer exception for the JSON response writer
     based formats when nl.json=arrarr with null keys.  (yonik)
 
+16. SOLR-901: FastOutputStream ignores write(byte[]) call.  (Noble Paul via shalin)
+
 
 Other Changes
 ----------------------
diff --git a/src/common/org/apache/solr/common/util/FastOutputStream.java b/src/common/org/apache/solr/common/util/FastOutputStream.java
index 3f6275c2ee7..f10895ce411 100755
--- a/src/common/org/apache/solr/common/util/FastOutputStream.java
+++ b/src/common/org/apache/solr/common/util/FastOutputStream.java
@@ -51,6 +51,7 @@ public class FastOutputStream extends OutputStream implements DataOutput {
   }
 
   public void write(byte b[]) throws IOException {
+    write(b,0,b.length);
   }
 
   public void write(byte b) throws IOException {
@@ -185,4 +186,4 @@ public class FastOutputStream extends OutputStream implements DataOutput {
   public long size() {
     return written + pos;
   }
-}
\ No newline at end of file
+}