diff --git a/Mk/Uses/cabal.mk b/Mk/Uses/cabal.mk
--- a/Mk/Uses/cabal.mk
+++ b/Mk/Uses/cabal.mk
@@ -76,6 +76,12 @@
 DIST_SUBDIR?=	cabal
 
 .  if !defined(USE_GITHUB) && !defined(USE_GITLAB) && !${cabal_ARGS:Mnodefault}
+_hackage_is_default=	yes
+.  else
+_hackage_is_default=	no
+.  endif
+
+.  if ${_hackage_is_default} == yes
 MASTER_SITES=	https://hackage.haskell.org/package/${PORTNAME}-${PORTVERSION}/ \
 		http://hackage.haskell.org/package/${PORTNAME}-${PORTVERSION}/
 DISTFILES+=	${PORTNAME}-${PORTVERSION}${CABAL_EXTRACT_SUFX}
@@ -125,8 +131,15 @@
 cabal-extract: ${WRKDIR}
 	${RM} -rf ${CABAL_HOME}/.cabal
 	${SETENV} HOME=${CABAL_HOME} cabal new-update
+.  if ${_hackage_is_default} == yes
 	cd ${WRKDIR} && \
 		${SETENV} ${LOCALE_ENV} HOME=${CABAL_HOME} cabal get ${PORTNAME}-${PORTVERSION}
+.  else
+	${MV} ${CABAL_HOME} /tmp/${PORTNAME}-cabal-home
+	cd ${.CURDIR} && ${MAKE} extract CABAL_BOOTSTRAP=yes
+	${RM} -rf ${CABAL_HOME}
+	${MV} /tmp/${PORTNAME}-cabal-home ${CABAL_HOME}
+.  endif
 
 # Fetches and unpacks dependencies sources for a cabal-extract'ed package.
 # Builds them as side-effect.