diff --git a/src/fr/devinsy/statoolinfos/uptime/UptimeJournal.java b/src/fr/devinsy/statoolinfos/uptime/UptimeJournal.java
index 865add7..96d4226 100644
--- a/src/fr/devinsy/statoolinfos/uptime/UptimeJournal.java
+++ b/src/fr/devinsy/statoolinfos/uptime/UptimeJournal.java
@@ -325,10 +325,14 @@ public class UptimeJournal
                     Service current = iterator.next();
                     if (current.getWebsiteURL() != null)
                     {
-                        if (getUptimes(current.getWebsiteURL()).last().getStatus() == UptimeStatus.ERROR)
+                        Uptimes currentUptimes = getUptimes(current.getWebsiteURL());
+                        if (!currentUptimes.isEmpty())
                         {
-                            ended = true;
-                            result = true;
+                            if (currentUptimes.last().getStatus() == UptimeStatus.ERROR)
+                            {
+                                ended = true;
+                                result = true;
+                            }
                         }
                     }
                 }