diff --git a/devel/liblouis/Makefile b/devel/liblouis/Makefile
index ffe0fa62210b6551ff98c7e7419baecc07113c72..30c08d78dbe779c55cdb0ba86f0e5d7560bd53b1 100644
--- a/devel/liblouis/Makefile
+++ b/devel/liblouis/Makefile
@@ -12,7 +12,7 @@ LICENSE=	LGPL3+
 
 BUILD_DEPENDS=	help2man:misc/help2man
 
-USES=		autoreconf gmake libtool pathfix shebangfix
+USES=		autoreconf cpe gmake libtool pathfix shebangfix
 SHEBANG_FILES=	tools/lou_maketable.d/substrings.pl
 USE_GITHUB=	yes
 GNU_CONFIGURE=	yes