diff --git a/src/main/java/com/lodborg/btree/PackedMemoryArray.java b/src/main/java/com/lodborg/btree/PackedMemoryArray.java
index f881eb8..1f4aa1d 100644
--- a/src/main/java/com/lodborg/btree/PackedMemoryArray.java
+++ b/src/main/java/com/lodborg/btree/PackedMemoryArray.java
@@ -78,7 +78,7 @@ private void rebalance(Segment<T> segment) {
 		while (depth >= 0) {
 			long start = rangeFrom / divisor * divisor;
 			if (start == rangeFrom) {
-				for (long i = rangeTo + 1; i < rangeTo + divisor; i++)
+				for (long i = rangeTo + 1; i < start + divisor; i++)
 					count += manager.fetch(i).getCount();
 			} else {
 				for (long i = start; i < rangeFrom; i++)
@@ -194,4 +194,4 @@ protected String[] print(){
 		}
 		return res;
 	}
-}
\ No newline at end of file
+}