diff --git a/cmd/mtredisalize/changetracker.go b/cmd/mtredisalize/changetracker.go
index 6024e97..92bca33 100644
--- a/cmd/mtredisalize/changetracker.go
+++ b/cmd/mtredisalize/changetracker.go
@@ -11,6 +11,9 @@ import (
 	"bitbucket.org/s_l_teichmann/mtredisalize/common"
 )
 
+// Pull up if it _really_ produces too much data.
+const quantizationFactor = 1
+
 type quantizedXZ struct {
 	X, Z int16
 }
@@ -32,12 +35,13 @@ func (ct *ChangeTracker) BlockChanged(key []byte) {
 		return
 	}
 	ct.mutex.Lock()
-	ct.changes[quantizedXZ{X: coord.X / 16, Z: coord.Z / 16}] = true
+	ct.changes[quantizedXZ{
+		X: coord.X / quantizationFactor,
+		Z: coord.Z / quantizationFactor}] = true
 	ct.mutex.Unlock()
 }
 
 func (ct *ChangeTracker) FlushChanges(url string) (err error) {
-	log.Println("change flush triggered")
 	var oldChanges map[quantizedXZ]bool
 	ct.mutex.Lock()
 	if len(ct.changes) > 0 {