diff --git a/CHANGELOG.md b/CHANGELOG.md
index acbb94f978..afb3458502 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -88,6 +88,7 @@ Please see the *Features* section below for full details.
 - [#3778](https://github.com/influxdb/influxdb/pull/3778): Don't panic if SELECT on time.
 - [#3824](https://github.com/influxdb/influxdb/issues/3824): tsdb.Point.MarshalBinary needs to support all number types
 - [#3828](https://github.com/influxdb/influxdb/pull/3828): Support all number types when decoding a point
+- [#3853](https://github.com/influxdb/influxdb/pull/3853): Use 4KB default block size for bz1
 
 ## v0.9.2 [2015-07-24]
 
diff --git a/tsdb/engine/bz1/bz1.go b/tsdb/engine/bz1/bz1.go
index 498f192fd0..11910eca7f 100644
--- a/tsdb/engine/bz1/bz1.go
+++ b/tsdb/engine/bz1/bz1.go
@@ -35,7 +35,7 @@ func init() {
 
 const (
 	// DefaultBlockSize is the default size of uncompressed points blocks.
-	DefaultBlockSize = 64 * 1024 // 64KB
+	DefaultBlockSize = 4 * 1024 // 4KB
 )
 
 // Ensure Engine implements the interface.