diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree-column/src/main/java/org/apache/hyracks/storage/am/lsm/btree/column/impls/btree/ColumnBTreeBulkloader.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree-column/src/main/java/org/apache/hyracks/storage/am/lsm/btree/column/impls/btree/ColumnBTreeBulkloader.java
index 1b1fad0..d9aec0c 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree-column/src/main/java/org/apache/hyracks/storage/am/lsm/btree/column/impls/btree/ColumnBTreeBulkloader.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree-column/src/main/java/org/apache/hyracks/storage/am/lsm/btree/column/impls/btree/ColumnBTreeBulkloader.java
@@ -112,7 +112,7 @@
         //Occupied space from previous writes
         requiredFreeSpace += columnWriter.getOccupiedSpace();
         //min and max tuples' sizes
-        requiredFreeSpace += lowKey.getTuple().getTupleSize() + splitKey.getTuple().getTupleSize();
+        requiredFreeSpace += lowKey.getTuple().getTupleSize() + getSplitKeySize(tuple);
         //New tuple required space
         requiredFreeSpace += columnWriter.bytesRequired(tuple);
         return bufferCache.getPageSize() <= requiredFreeSpace;
@@ -232,12 +232,16 @@
     }
 
     private void setSplitKey(ISplitKey splitKey, ITupleReference tuple) {
-        int splitKeySize = tupleWriter.bytesRequired(tuple, 0, cmp.getKeyFieldCount());
+        int splitKeySize = getSplitKeySize(tuple);
         splitKey.initData(splitKeySize);
         tupleWriter.writeTupleFields(tuple, 0, cmp.getKeyFieldCount(), splitKey.getBuffer().array(), 0);
         splitKey.getTuple().resetByTupleOffset(splitKey.getBuffer().array(), 0);
     }
 
+    private int getSplitKeySize(ITupleReference tuple) {
+        return tupleWriter.bytesRequired(tuple, 0, cmp.getKeyFieldCount());
+    }
+
     private void log(String status, int numberOfTempConfiscatedPages) {
         if (!LOGGER.isDebugEnabled()) {
             return;