diff --git a/src/var/lib/tyto/program/check.py b/src/var/lib/tyto/program/check.py
index 4027cb3..8a7cfd3 100644
--- a/src/var/lib/tyto/program/check.py
+++ b/src/var/lib/tyto/program/check.py
@@ -419,6 +419,7 @@ def if_mandat_marker(marker, m_in):
                m_in[1], marker
                )
     log.append_f(post_logs, msg_log, 1)
+    Post_Err = True
 
 #================================#
 # Check Date format and validity #
@@ -499,12 +500,21 @@ def check_links(line, ln, stats_links_uniq):
   global Post_Err, stats_links_p
 
   # Create variable array
+  try:    link_name = line.split('link:')[1].lstrip()
+  except: link_name = ''
+  try:    link_url  = headers.rsplit('\n')[ln].lstrip()
+  except: link_url  = ''
+  try:    link_alt  = headers.rsplit('\n')[ln+1].lstrip()
+  except: link_alt  = ''
+
+  if not link_name:
+    msg_log = 'Line %s. Unused NAME for marker "link:"'%ln
+    log.append_f(post_logs,msg_log,1)
+    Post_Err = True
+    return(1)
+
   link_nbr  = 'link_%s'%stats_links_uniq
-  link_name = line.split('link:')[1].lstrip()
-  link_url  = headers.rsplit('\n')[ln].lstrip()
-  link_alt  = headers.rsplit('\n')[ln+1].lstrip()
-  
-   # Check 2nd line
+  # Check 2nd line
   check_new_marker(link_url)
   if new_marker: link_url = ''
 
@@ -530,7 +540,6 @@ def check_links(line, ln, stats_links_uniq):
     log.append_f(post_logs,msg_log,1)
     Post_Err = True
     
-    
   if Post_Err: return
   # Set final marker_N
   link = (