diff --git a/src/test/scala/Test.scala b/src/test/scala/Test.scala
index a62e8802e379f18a85bb0878ca211d3430f709e9..f902c846700146d799ad006daefe51846ac0317f 100644
--- a/src/test/scala/Test.scala
+++ b/src/test/scala/Test.scala
@@ -8,7 +8,7 @@ class StackSpec extends AnyFunSuite:
     }
 
     test("Weak type shouldn't be efficient") {
-        assert(Bug.typeEfficiency(Fight).factor == NotEfficient)
+        assert(Bug.typeEfficiency(Fight) == NotEfficient)
     }
 
     test("Normal type should be neutral") {