diff --git a/tests/t00037/test_case.h b/tests/t00037/test_case.h
index b6e0baa9..c77156fa 100644
--- a/tests/t00037/test_case.h
+++ b/tests/t00037/test_case.h
@@ -37,12 +37,12 @@ TEST_CASE("t00037", "[test-case][class]")
 
     REQUIRE_THAT(puml, IsClass(_A("ST")));
     REQUIRE_THAT(puml, IsClass(_A("A")));
-    REQUIRE_THAT(puml, IsClass(_A("ST::\\(units\\)")));
-    REQUIRE_THAT(puml, IsClass(_A("ST::\\(dimensions\\)")));
+    REQUIRE_THAT(puml, IsClass(_A("ST::(units)")));
+    REQUIRE_THAT(puml, IsClass(_A("ST::(dimensions)")));
     REQUIRE_THAT(puml,
-        IsAggregation(_A("ST"), _A("ST::\\(dimensions\\)"), "+dimensions"));
+        IsAggregation(_A("ST"), _A("ST::(dimensions)"), "+dimensions"));
     REQUIRE_THAT(
-        puml, IsAggregation(_A("ST"), _A("ST::\\(units\\)"), "-units"));
+        puml, IsAggregation(_A("ST"), _A("ST::(units)"), "-units"));
 
     save_puml(
         "./" + config.output_directory() + "/" + diagram->name + ".puml", puml);