diff -r b9a3f771aaab -r c266fbaae0f6 plcopen/instances_path.xslt
--- a/plcopen/instances_path.xslt	Mon Feb 19 15:14:30 2018 +0100
+++ b/plcopen/instances_path.xslt	Mon Feb 19 15:15:36 2018 +0100
@@ -6,7 +6,7 @@
   <xsl:variable name="project" select="ns:GetProject()"/>
   <xsl:variable name="stdlib" select="ns:GetStdLibs()"/>
   <xsl:variable name="extensions" select="ns:GetExtensions()"/>
-  <xsl:variable name="all" select="$project | $stdlib | $extensions"/>
+  <xsl:variable name="all_types" select="($project | $stdlib | $extensions)/ppx:types"/>
   <xsl:template match="ppx:project">
     <xsl:apply-templates select="ppx:instances/ppx:configurations/ppx:configuration"/>
   </xsl:template>
@@ -45,7 +45,7 @@
         <xsl:variable name="type_name">
           <xsl:value-of select="@typeName"/>
         </xsl:variable>
-        <xsl:apply-templates select="$all/ppx:types/ppx:pous/ppx:pou[@name=$type_name] |                          $all/ppx:types/ppx:dataTypes/ppx:dataType[@name=$type_name]">
+        <xsl:apply-templates select="$all_types/ppx:pous/ppx:pou[@name=$type_name] |                          $all_types/ppx:dataTypes/ppx:dataType[@name=$type_name]">
           <xsl:with-param name="instance_path">
             <xsl:value-of select="$pou_instance_path"/>
           </xsl:with-param>
@@ -92,7 +92,7 @@
         <xsl:variable name="type_name">
           <xsl:value-of select="@name"/>
         </xsl:variable>
-        <xsl:apply-templates select="$all/ppx:types/ppx:pous/ppx:pou[@name=$type_name] |                          $all/ppx:types/ppx:dataTypes/ppx:dataType[@name=$type_name]">
+        <xsl:apply-templates select="$all_types/ppx:pous/ppx:pou[@name=$type_name] |                          $all_types/ppx:dataTypes/ppx:dataType[@name=$type_name]">
           <xsl:with-param name="instance_path">
             <xsl:value-of select="$variable_path"/>
           </xsl:with-param>