diff --git a/src/lib.rs b/src/lib.rs
index 87271b4..d569e3e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -121,7 +121,7 @@ impl Environment {
         }
 
         Environment {
-            history: vec![],
+            history: vec![(0,1)],
             gene,
             urns,
             weights: candidates,