diff --git a/Mk/bsd.port.mk b/Mk/bsd.port.mk
index 50c8be9ae4cd..1db3bfc18753 100644
--- a/Mk/bsd.port.mk
+++ b/Mk/bsd.port.mk
@@ -2659,7 +2659,7 @@ SET_LATE_CONFIGURE_ARGS= \
 	    _LATE_CONFIGURE_ARGS="$${_LATE_CONFIGURE_ARGS} --infodir=${GNU_CONFIGURE_PREFIX}/${INFO_PATH}/${INFO_SUBDIR}" ; \
 	fi ; \
 	if [ -z "`${CONFIGURE_CMD} --version 2>&1 | ${EGREP} -i '(autoconf.*2\.13|Unrecognized option)'`" ]; then \
-		_LATE_CONFIGURE_ARGS="$${_LATE_CONFIGURE_ARGS} --build=${CONFIGURE_TARGET}" ; \
+		_LATE_CONFIGURE_ARGS="$${_LATE_CONFIGURE_ARGS} --build=${HOSTARCH}-unknown-${OPSYS:tl}${OSREL}" ; \
 	else \
 		_LATE_CONFIGURE_ARGS="$${_LATE_CONFIGURE_ARGS} ${CONFIGURE_TARGET}" ; \
 	fi ;