diff --git a/pym/cl_template.py b/pym/cl_template.py
index 35637fc..cd36865 100644
--- a/pym/cl_template.py
+++ b/pym/cl_template.py
@@ -4342,7 +4342,8 @@ re.M|re.S)
         if objHeadNew.comment:
             objHeadOld = fileHeader(nameFileConfig, self.textConfig,
                                     objHeadNew.comment)
-        elif typeAppendTemplate in ("before", "after"):
+        elif objHeadNew.fileType and\
+            objHeadNew.typeAppend in ("before", "after"):
             configFileType = self.getFileType(nameFileConfig)
             objHeadOld = fileHeader(nameFileConfig, self.textConfig,
                                     fileType=configFileType)