diff --git a/src/simplex/tests/test_simplex.real.ml b/src/simplex/tests/test_simplex.real.ml
index 03f4910e..9acd6540 100644
--- a/src/simplex/tests/test_simplex.real.ml
+++ b/src/simplex/tests/test_simplex.real.ml
@@ -511,4 +511,4 @@ module Reg = struct
 end
 
 let tests =
-  "simplex2", List.flatten [ Reg.tests ]
+  "simplex", List.flatten [ Reg.tests ]