diff --git a/mk/ci.mk b/mk/ci.mk
index a699b9c..1125acc 100644
--- a/mk/ci.mk
+++ b/mk/ci.mk
@@ -27,6 +27,8 @@ ci-pkg: prefix FORCE
 	$(HOST_CARGO) build --manifest-path cookbook/pkgar/Cargo.toml --release
 	$(HOST_CARGO) build --manifest-path installer/Cargo.toml --release
 	export PATH="$(PREFIX_PATH):$$PATH" && \
+	export COOKBOOK_HOST_SYSROOT="$(ROOT)/$(PREFIX_INSTALL)" && \
+	export COOKBOOK_PREFER_STATIC="$(PREFER_STATIC)" && \
 	PACKAGES="$$($(INSTALLER) --list-packages -c config/$(ARCH)/ci.toml)" && \
 	cd cookbook && \
 	./fetch.sh "$${PACKAGES}" && \