diff --git a/devel/cpphs/Makefile b/devel/cpphs/Makefile
index fa1ebcbdbc4..4cad6cbc1be 100644
--- a/devel/cpphs/Makefile
+++ b/devel/cpphs/Makefile
@@ -3,7 +3,6 @@ COMMENT =	liberalised reimplementation of cpp in Haskell
 MODCABAL_STEM =		cpphs
 MODCABAL_VERSION	= 1.20.9.1
 MODCABAL_REVISION	= 1
-MODCABAL_MANIFEST	= polyparse	1.13	9
 REVISION =		3
 CATEGORIES =		devel
 MAINTAINER =		Matthias Kilian <kili@openbsd.org>
@@ -22,4 +21,6 @@ LIB_DEPENDS =		converters/libiconv \
 post-install:
 	${INSTALL_MAN}     ${WRKSRC}/docs/cpphs.1 ${PREFIX}/man/man1
 
+.include "cabal.inc"
+
 .include <bsd.port.mk>
diff --git a/devel/cpphs/cabal.inc b/devel/cpphs/cabal.inc
new file mode 100644
index 00000000000..a4b8b92bfaa
--- /dev/null
+++ b/devel/cpphs/cabal.inc
@@ -0,0 +1 @@
+MODCABAL_MANIFEST =	polyparse	1.13	9