diff --git a/app/src/main/java/org/openobservatory/ooniprobe/activity/RunTestActivity.java b/app/src/main/java/org/openobservatory/ooniprobe/activity/RunTestActivity.java
index bdf13c00d..5b217207b 100644
--- a/app/src/main/java/org/openobservatory/ooniprobe/activity/RunTestActivity.java
+++ b/app/src/main/java/org/openobservatory/ooniprobe/activity/RunTestActivity.java
@@ -133,6 +133,7 @@ public void onClick(DialogInterface dialog, int id) {
                     }
                 });
                 e.printStackTrace();
+                return;
             }
             listItems.addAll(urlItems);
         }