diff --git a/icon/filext32x32/gdb32x32.gif b/icon/filext32x32/gdb32x32.gif
new file mode 100644
index 000000000..61b443967
Binary files /dev/null and b/icon/filext32x32/gdb32x32.gif differ
diff --git a/swad_changelog.h b/swad_changelog.h
index dda54d33b..f14964cf1 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -359,7 +359,11 @@ ps2pdf source.ps destination.pdf
 #define CSS_FILE		"swad18.4.css"
 #define JS_FILE			"swad17.17.1.js"
 /*
-	Version 18.13.5:  Nov 08, 2018  New file extension allowed, requested by Javier Fernández Baldomero: .gdb (GNU Debugger Script). (236537 lines)
+	Version 18.13.5:  Nov 08, 2018  New file extension allowed, requested by Javier Fernández Baldomero: .gdb (GNU Debugger Script). (236540 lines)
+Copy the following icons to icon public directory:
+sudo cp icon/filext16x16/gdb16x16.gif /var/www/html/swad/icon/filext16x16/
+sudo cp icon/filext32x32/gdb32x32.gif /var/www/html/swad/icon/filext32x32/
+
 	Version 18.13.4:  Nov 05, 2018  Fixed bug in listing of users.
 					Fixed bug when logging comments.
 					Code refactoring in queries. (236535 lines)