diff --git a/src/var/lib/tyto/program/check.py b/src/var/lib/tyto/program/check.py
index 85af71c..ba355a2 100644
--- a/src/var/lib/tyto/program/check.py
+++ b/src/var/lib/tyto/program/check.py
@@ -526,6 +526,16 @@ def check_content(post_bottom):
       post_err = True
       
   
+  # Check for _image:NAME from content in header
+  #---------------------------------------------
+  for ln, line in enumerate(post_bottom):
+    if line.startswith('_image:'):
+      image_id = line.rsplit(':', 1)[1].rsplit(' ')[0]
+      print(article_header)
+      if not re.search(r'^image:\s|%s'%image_id, article_header):
+        tyto.exiting("10", "image: %s"%image_id, True)
+
+
 #===============================================#
 # Create new article's database at each check ! #
 #-----------------------------------------------#
diff --git a/src/var/lib/tyto/program/tyto.py b/src/var/lib/tyto/program/tyto.py
index 2bce32d..654dfa5 100644
--- a/src/var/lib/tyto/program/tyto.py
+++ b/src/var/lib/tyto/program/tyto.py
@@ -449,6 +449,7 @@ def exiting(nbr, value, out):
   '7'   : ':< Article is \033[1;31mnot valid yet\033[0;0m',
   '8'   : ':< tags "%s" \033[1;31mnot paired\033[0;0m'%value,
   '9'   : ':D Article has changed (wip is old)',
+  '10'  : ':< \033[1;31mUnused "%s"\033[0;0m in article\'s header'%value,
   '20'  : ':D Article already up-to-date on: %s'%value,
   '21'  : ':D Article is valid and ready to wip',
   '255' : ':| Maybe later...'