diff --git a/lang/erlang/Makefile b/lang/erlang/Makefile
index 2d54dbd47b3c..eef8752f2d21 100644
--- a/lang/erlang/Makefile
+++ b/lang/erlang/Makefile
@@ -84,7 +84,7 @@ TOOLS_VSN=	2.9.1
 .if ${PORT_OPTIONS:MDOCS}
 DISTFILES+=	${ERLANG_DOCS}:erlangorg		\
 		${DOC_DISTFILES}
-DOC_DISTFILES=	armstrong_thesis_2003.pdf:joe		\
+DOC_DISTFILES=	armstrong_thesis_2003.pdf:local		\
 		bjarnelic.pdf:publications		\
 		erlang-book-part1.pdf:erlangorg		\
 		master_thesis_patterns.pdf:local	\