--- a/plcopen/pou_block_instances.ysl2	Fri Feb 16 01:38:34 2018 +0100
+++ b/plcopen/pou_block_instances.ysl2	Fri Feb 16 01:48:48 2018 +0100
@@ -1,5 +1,5 @@
-include yslt.yml2
-estylesheet xmlns:ppx="http://www.plcopen.org/xml/tc6_0201"
+include yslt_noindent.yml2
+istylesheet xmlns:ppx="http://www.plcopen.org/xml/tc6_0201"
             xmlns:xhtml="http://www.w3.org/1999/xhtml"
             xmlns:ns="pou_block_instances_ns" 
             extension-element-prefixes="ns" 
@@ -312,4 +312,4 @@
             with "negated", "@negated";
         }
     }
-}
\ No newline at end of file
+}