diff --git a/README.md b/README.md
index a6896e2..fcfe734 100644
--- a/README.md
+++ b/README.md
@@ -86,7 +86,7 @@ The following servers are known to be virtualized and may be less accurate. YMMV
 
 |Hostname|Stratum|Location|Owner|Notes|
 |---|:---:|---|---|---|
-|[ntp.viarouge.net](http://ntp.viarouge.net)|2|France|Hubert Viarouge||
+|[ntp.viarouge.net](http://ntp.viarouge.net)|2|France|Hubert Viarouge|EXPIRED CERT|
 |time.xargs.org|2|US|Michael Driscoll|IPv4 and IPv6|
 
 ## Star History
diff --git a/nts-sources.yml b/nts-sources.yml
index d27ae5b..5f51c6f 100644
--- a/nts-sources.yml
+++ b/nts-sources.yml
@@ -294,6 +294,7 @@ servers:
     stratum: 2
     location: France
     owner: Hubert Viarouge
+    notes: EXPIRED CERT
     vm: true
 
   - hostname: time.xargs.org