diff --git a/python/pystencils_walberla/jinja_filters.py b/python/pystencils_walberla/jinja_filters.py
index 680da539814431d648a14d2e606241fe6079d5da..86732016503aa6d0d4baca9720ddd94a4ec0f2ec 100644
--- a/python/pystencils_walberla/jinja_filters.py
+++ b/python/pystencils_walberla/jinja_filters.py
@@ -365,7 +365,7 @@ def generate_members(ctx, kernel_info, parameters_to_ignore=(), only_fields=Fals
     if hasattr(kernel_info, 'varying_parameters'):
         result.extend(["%s %s_;" % e for e in kernel_info.varying_parameters])
 
-    return "\n".join(sorted(result))
+    return "\n".join(result)
 
 
 def generate_destructor(kernel_info, class_name):