diff --git a/smoketest/collection.go b/smoketest/collection.go
index 7fcc17b..d038bd6 100644
--- a/smoketest/collection.go
+++ b/smoketest/collection.go
@@ -7,7 +7,7 @@ import (
 // SmokeTestCollection is a stats collection for the simple test sim.
 type SmokeTestCollection struct {
 	Number cardsim.Stored[int]
-	Total  cardsim.Stored[int]
+	Total  cardsim.Stored[int64]
 	Turns  cardsim.Invisible[int]
 
 	Flavor cardsim.Stored[string]