diff --git a/doc/config.html b/doc/config.html
index 75e1e6b4..bbbb902e 100755
--- a/doc/config.html
+++ b/doc/config.html
@@ -976,6 +976,9 @@ if the file name starts with a <b><code>"/"</code></b> (Unix) or <b><code>
         interactively with the image manipulation buttons:<p>
         
         <img src="thumbnail.png"><p> 
+        
+        Setting <b><code>Thumbnail size = 0</code></b> turns off the thumbnail
+        creation.<p>
       </li>
     </ul><a name="attrib" id="attrib"></a>
     <hr>
diff --git a/src/elogd.c b/src/elogd.c
index 43631369..18aa87a7 100755
--- a/src/elogd.c
+++ b/src/elogd.c
@@ -22853,9 +22853,11 @@ int create_thumbnail(LOGBOOK * lbs, char *file_name)
    if (!image_magick_exist)
       return 0;
 
-   if (getcfg(lbs->name, "Thumbnail size", str, sizeof(str)))
+   if (getcfg(lbs->name, "Thumbnail size", str, sizeof(str))) {
+      if (strcmp(str, "0") == 0)
+         return 0;
       sprintf(thumb_size, " -thumbnail '%s'", str);
-   else
+   } else
       thumb_size[0] = 0;
 
    if (!chkext(file_name, ".ps") && !chkext(file_name, ".pdf") && !chkext(file_name, ".eps")