diff --git a/deskutils/deforaos-todo/Makefile b/deskutils/deforaos-todo/Makefile
index 5ada09f808ad..9a7cef8adf9a 100644
--- a/deskutils/deforaos-todo/Makefile
+++ b/deskutils/deforaos-todo/Makefile
@@ -24,6 +24,8 @@ MAKE_ARGS+=	PREFIX=${PREFIX}
 
 MAKE_ENV=	MANDIR=${STAGEDIR}${MANPREFIX}/man
 
+CONFLICTS_INSTALL=	devtodo todo
+
 OPTIONS_DEFINE=	DOCS NLS
 OPTIONS_SUB=	yes
 NLS_USES=	gettext