diff --git a/en_US.ISO8859-1/articles/pgpkeys/Makefile b/en_US.ISO8859-1/articles/pgpkeys/Makefile
index f9ecafe7be..e329c7792a 100644
--- a/en_US.ISO8859-1/articles/pgpkeys/Makefile
+++ b/en_US.ISO8859-1/articles/pgpkeys/Makefile
@@ -1,27 +1,27 @@
 #
 # $FreeBSD$
 #
 # Article: PGP Keys
 
 DOC?= article
 
 FORMATS?= html
 WITH_ARTICLE_TOC?= YES
 
 INSTALL_COMPRESSED?= gz
 INSTALL_ONLY_COMPRESSED?=
 
 SRCS=	article.xml
 
 # To build with just key fingerprints, set FINGERPRINTS_ONLY.
 
 URL_RELPREFIX?=	../../../..
 DOC_PREFIX?=	${.CURDIR}/../../..
 
 .include "${DOC_PREFIX}/share/mk/doc.project.mk"
 
 # XXXHRS temporary measure to handle PGP key dependency
 .PATH: ${DOC_PREFIX}/share/pgpkeys
-.for f in ${FORMATS}
+.for f in ${FORMATS:Ntxt}
 ${DOC}.${f}: ${_DEPENDSET.pgpkeys}
 .endfor