diff --git a/cmd/termmapper/main_test.go b/cmd/termmapper/main_test.go
index 80c7f4b..1447a15 100644
--- a/cmd/termmapper/main_test.go
+++ b/cmd/termmapper/main_test.go
@@ -268,7 +268,7 @@
 		FoundryB: "opennlp",
 		LayerB:   "p",
 		Mappings: []tmconfig.MappingRule{
-			"[gender=masc] <> [p=M & m=M]",
+			"[gender:masc] <> [p=M & m=M]",
 		},
 	}