diff --git a/components/lazutils/lazutils.lpk b/components/lazutils/lazutils.lpk
index 21023306bb..2256f8a1b5 100644
--- a/components/lazutils/lazutils.lpk
+++ b/components/lazutils/lazutils.lpk
@@ -16,7 +16,7 @@
     <Description Value="Useful units for Lazarus packages."/>
     <License Value="Modified LGPL-2"/>
     <Version Major="1"/>
-    <Files Count="90">
+    <Files Count="91">
       <Item1>
         <Filename Value="LazLoggerImpl.inc"/>
         <Type Value="Include"/>
@@ -377,6 +377,10 @@
         <Filename Value="winlazutf8.inc"/>
         <Type Value="Include"/>
       </Item90>
+      <Item91>
+        <Filename Value="laz_avl_tree.pp"/>
+        <UnitName Value="Laz_AVL_Tree"/>
+      </Item91>
     </Files>
     <LazDoc Paths="../../docs/xml/lazutils"/>
     <i18n>
diff --git a/components/lazutils/lazutils.pas b/components/lazutils/lazutils.pas
index c2acff505d..e8c88bf11e 100644
--- a/components/lazutils/lazutils.pas
+++ b/components/lazutils/lazutils.pas
@@ -20,7 +20,7 @@ uses
   LookupStringList, Maps, Masks, PasWString, StringHashList, TextStrings, 
   Translations, TTCache, TTCalc, TTCMap, TTDebug, TTError, TTFile, TTGLoad, 
   TTInterp, TTLoad, TTMemory, TTObjs, TTProfile, TTRASTER, TTTables, TTTypes, 
-  UTF8Process, LazarusPackageIntf;
+  UTF8Process, Laz_AVL_Tree, LazarusPackageIntf;
 
 implementation