diff --git a/converters/tnef/Makefile b/converters/tnef/Makefile
index 5cc1637e245970feaf710104b4714efbe81f74fc..3307f560b23090aa94ce9ce9fb2b2da6cc45ee9f 100644
--- a/converters/tnef/Makefile
+++ b/converters/tnef/Makefile
@@ -10,6 +10,10 @@ COMMENT=	Unpack data in MS Outlook TNEF format
 
 LICENSE=	GPLv2
 
+USES=		cpe
+
+CPE_VENDOR=	tnef_project
+
 OPTIONS_DEFINE=	DOCS
 
 GNU_CONFIGURE=	yes