diff --git a/source/de/anomic/kelondro/kelondroCollection.java b/source/de/anomic/kelondro/kelondroCollection.java
index a75c73501..40073a617 100644
--- a/source/de/anomic/kelondro/kelondroCollection.java
+++ b/source/de/anomic/kelondro/kelondroCollection.java
@@ -313,7 +313,7 @@ public class kelondroCollection {
         sort(keylen);
     }
 
-    private void sort(int keylen) {
+    public void sort(int keylen) {
         assert (this.order != null);
         if (this.sortbound == this.chunkcount) return; // this is already sorted
         //System.out.println("SORT");
diff --git a/source/de/anomic/kelondro/kelondroCollectionIntMap.java b/source/de/anomic/kelondro/kelondroCollectionIntMap.java
index b87919b20..64a16e446 100644
--- a/source/de/anomic/kelondro/kelondroCollectionIntMap.java
+++ b/source/de/anomic/kelondro/kelondroCollectionIntMap.java
@@ -38,6 +38,13 @@ public class kelondroCollectionIntMap extends kelondroCollection {
         this.setOrdering(kelondroNaturalOrder.naturalOrder);
     }
 
+    public void addi(byte[] key, int i) {
+        kelondroRow.Entry indexentry = indexrow.newEntry();
+        indexentry.setCol(0, key);
+        indexentry.setColLongB256(1, i);
+        add(indexentry.bytes());
+    }
+    
     public int puti(byte[] key, int i) {
         int index = -1;
         synchronized (chunkcache) {
diff --git a/source/de/anomic/kelondro/kelondroFlexTable.java b/source/de/anomic/kelondro/kelondroFlexTable.java
index 35e98771a..a47a7154f 100644
--- a/source/de/anomic/kelondro/kelondroFlexTable.java
+++ b/source/de/anomic/kelondro/kelondroFlexTable.java
@@ -42,9 +42,13 @@ public class kelondroFlexTable extends kelondroFlexWidthArray implements kelondr
         for (int i = 0; i < indexArray.size(); i++) index.put(indexArray.get(i).getColBytes(0), new Integer(i));
         indexArray.close();
         */
+        System.out.print("Loading " + path);
         for (int i = 0; i < super.col[0].size(); i++) {
-            index.puti(super.col[0].get(i).getColBytes(0), i);
+            index.addi(super.col[0].get(i).getColBytes(0), i);
+            if ((i % 10000) == 0) System.out.print('.');
         }
+        index.sort(super.row().width(0));
+        System.out.println(index.size() + " index entries initialized and sorted");
         this.index.setOrdering(kelondroNaturalOrder.naturalOrder);
     }