diff --git a/transforms/adl2entityclasses.xslt b/transforms/adl2entityclasses.xslt
index 90f81d1..cfa84fe 100755
--- a/transforms/adl2entityclasses.xslt
+++ b/transforms/adl2entityclasses.xslt
@@ -8,8 +8,8 @@
     Transform ADL into C# entity classes
     
     $Author: sb $
-    $Revision: 1.23 $
-    $Date: 2009-05-07 09:50:55 $
+    $Revision: 1.24 $
+    $Date: 2009-05-07 10:07:11 $
   -->
 
 <!-- WARNING WARNING WARNING: Do NOT reformat this file! 
@@ -70,7 +70,7 @@
 		//  (c)2007 Cygnet Solutions Ltd
 		//
 		//  Automatically generated from application description using
-		//  adl2entityclass.xsl revision <xsl:value-of select="substring( '$Revision: 1.23 $', 10)"/>
+		//  adl2entityclass.xsl revision <xsl:value-of select="substring( '$Revision: 1.24 $', 10)"/>
 		//
 		//  <xsl:value-of select="/adl:application/@revision"/>
 		//
@@ -97,7 +97,7 @@
 		/// &lt;/summary&gt;
 		/// &lt;remarks&gt;
 		/// Automatically generated from description of group <xsl:value-of select="@name"/>
-		/// using adl2entityclass.xsl revision <xsl:value-of select="substring( '$Revision: 1.23 $', 10)"/>.
+		/// using adl2entityclass.xsl revision <xsl:value-of select="substring( '$Revision: 1.24 $', 10)"/>.
 		///
 		/// DO NOT EDIT THIS FILE!
 		/// &lt;/remarks&gt;
@@ -123,7 +123,7 @@
 		//  (c)2007 Cygnet Solutions Ltd
 		//
 		//  Automatically generated from application description using
-		//  adl2entityclass.xsl revision <xsl:value-of select="substring( '$Revision: 1.23 $', 10)"/>
+		//  adl2entityclass.xsl revision <xsl:value-of select="substring( '$Revision: 1.24 $', 10)"/>
 		//
 		//  <xsl:value-of select="/adl:application/@revision"/>
 		//
@@ -149,7 +149,7 @@
 		/// &lt;/summary&gt;
 		/// &lt;remarks&gt;
 		/// Automatically generated from description of entity <xsl:value-of select="@name"/>
-		/// using adl2entityclass.xsl revision <xsl:value-of select="substring( '$Revision: 1.23 $', 10)"/>.
+		/// using adl2entityclass.xsl revision <xsl:value-of select="substring( '$Revision: 1.24 $', 10)"/>.
 		/// Note that manually maintained parts of this class may be defined in
 		/// a separate file called <xsl:value-of select="@name"/>.manual.cs, q.v.
 		///
@@ -457,6 +457,9 @@
 						<xsl:when test="$csharp-type = 'String'">
 							= "<xsl:value-of select="@default"/>"
 						</xsl:when>
+						<xsl:when test="$base-type = 'entity'">
+							= null /* this isn't right but will do for now */
+						</xsl:when>
 						<xsl:when test="$csharp-base-type = 'String'">
 							= "<xsl:value-of select="@default"/>"
 						</xsl:when>