--- wikisrc/ports/prep.mdwn	2019/06/02 10:27:05	1.17
+++ wikisrc/ports/prep.mdwn	2019/06/02 13:32:39	1.18
@@ -5,7 +5,7 @@ future_rel="9.0"
 pkg_rel="8.0"
 changes_cur="8.1"
 changes_future="9.0"
-thumbnail="http://www.netbsd.org/images/ports/prep/6050.gif"
+thumbnail="//www.netbsd.org/images/ports/prep/6050.gif"
 about="""
 NetBSD/prep is the port of NetBSD to early PReP (PowerPC Reference Platform)
 machines.