diff --git a/source/dbtest.java b/source/dbtest.java
index bebb46fde..c3ba0844d 100644
--- a/source/dbtest.java
+++ b/source/dbtest.java
@@ -175,7 +175,7 @@ public class dbtest {
             kelondroRow testRow = new kelondroRow("byte[] key-" + keylength + ", byte[] dummy-" + keylength + ", value-" + valuelength);
             if (dbe.equals("kelondroTree")) {
                 File tablefile = new File(tablename + ".kelondro.db");
-                table = new kelondroCache(new kelondroTree(tablefile, buffer / 2, preload, testRow), buffer / 2, true, true);
+                table = new kelondroCache(new kelondroTree(tablefile, buffer / 2, preload, testRow), buffer / 2, true, false);
             }
             if (dbe.equals("kelondroSplittedTree")) {
                 File tablepath = new File(tablename).getParentFile();
diff --git a/source/de/anomic/kelondro/kelondroMapTable.java b/source/de/anomic/kelondro/kelondroMapTable.java
index 65742462c..ec21fd72a 100644
--- a/source/de/anomic/kelondro/kelondroMapTable.java
+++ b/source/de/anomic/kelondro/kelondroMapTable.java
@@ -91,7 +91,7 @@ public class kelondroMapTable {
         if (mTables.containsKey(tablename)) throw new RuntimeException("kelondroTables.declareTree: table '" + tablename + "' declared already in other context.");
         if (tTables.containsKey(tablename)) throw new RuntimeException("kelondroTables.declareTree: table '" + tablename + "' declared twice.");
         File tablefile = new File(tablesPath, "table." + tablename + ".tdb");
-        kelondroIndex Tree = new kelondroCache(kelondroTree.open(tablefile, buffersize / 2, preloadTime, rowdef), buffersize / 2, true, true);
+        kelondroIndex Tree = new kelondroCache(kelondroTree.open(tablefile, buffersize / 2, preloadTime, rowdef), buffersize / 2, true, false);
         tTables.put(tablename, Tree);
     }
 
diff --git a/source/de/anomic/kelondro/kelondroRowSet.java b/source/de/anomic/kelondro/kelondroRowSet.java
index 2587536e3..0005be77c 100644
--- a/source/de/anomic/kelondro/kelondroRowSet.java
+++ b/source/de/anomic/kelondro/kelondroRowSet.java
@@ -341,12 +341,12 @@ public class kelondroRowSet extends kelondroRowCollection implements kelondroInd
         private int p, bound;
         
         public rowIterator(boolean up, boolean rotating, byte[] firstKey) {
+            // see that all elements are sorted
+            shape();
             this.up = up;
             this.rot = rotating;
             this.first = firstKey;
             this.bound = sortBound;
-            // see that all elements are sorted
-            shape();
             if (first == null) {
                 p = 0;
             } else {
diff --git a/source/de/anomic/plasma/plasmaWordIndexAssortment.java b/source/de/anomic/plasma/plasmaWordIndexAssortment.java
index 2cb31b479..5542e4366 100644
--- a/source/de/anomic/plasma/plasmaWordIndexAssortment.java
+++ b/source/de/anomic/plasma/plasmaWordIndexAssortment.java
@@ -112,7 +112,7 @@ public final class plasmaWordIndexAssortment {
         this.log = log;
         // open assortment tree file
         long start = System.currentTimeMillis();
-        assortments = new kelondroCache(kelondroTree.open(assortmentFile, bufferSize / 2, preloadTime, bufferStructure(assortmentLength)), bufferSize / 2, true, true);
+        assortments = new kelondroCache(kelondroTree.open(assortmentFile, bufferSize / 2, preloadTime, bufferStructure(assortmentLength)), bufferSize / 2, true, false);
         long stop = System.currentTimeMillis();
         if (log != null) log.logConfig("Opened Assortment, " +
                                   assortments.size() + " entries, width " +
@@ -240,7 +240,7 @@ public final class plasmaWordIndexAssortment {
             assortmentFile.renameTo(backupFile);
             log.logInfo("a back-up of the deleted assortment file is in " + backupFile.toString());
             if (assortmentFile.exists()) assortmentFile.delete();
-            assortments = new kelondroCache(kelondroTree.open(assortmentFile, bufferSize / 2, preloadTime, bufferStructure(assortmentLength)), bufferSize / 2, true, true);
+            assortments = new kelondroCache(kelondroTree.open(assortmentFile, bufferSize / 2, preloadTime, bufferStructure(assortmentLength)), bufferSize / 2, true, false);
         } catch (Exception e) {
             // if this fails, delete the file
             if (!(assortmentFile.delete())) throw new RuntimeException("cannot delete assortment database");