Index: Mk/bsd.port.mk
===================================================================
--- Mk/bsd.port.mk
+++ Mk/bsd.port.mk
@@ -4335,7 +4335,7 @@
 install-missing-packages:
 	@_dirs=$$(${MISSING-DEPENDS-LIST}); \
 	if [ -n "$${_dirs}" ]; then \
-		${SU_CMD} "${PKG_BIN} install -A $$(${ECHO_CMD} "$${_dirs}" | ${SED} "s%${PORTSDIR}/%%g")"; \
+		${SU_CMD} "${PKG_BIN} install -A $$(${ECHO_CMD} "$${_dirs}" | ${SED} "s%${PORTSDIR}/%%g" | ${XARGS})"; \
 	fi
 
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