diff --git a/src/data.rs b/src/data.rs
index 52b4a7e..efbe8ec 100644
--- a/src/data.rs
+++ b/src/data.rs
@@ -57,7 +57,7 @@ impl Default for DataContainer {
         DataContainer {
             time: vec![],
             absolute_time: vec![],
-            dataset: vec![vec![]],
+            dataset: vec![],
             raw_traffic: vec![],
             loaded_from_file: false,
         }