diff --git a/mk/config.mk b/mk/config.mk
index 64c97337..5f6742e3 100644
--- a/mk/config.mk
+++ b/mk/config.mk
@@ -141,13 +141,11 @@ FSTOOLS=build/fstools
 INSTALLER=$(FSTOOLS)/bin/redox_installer
 REDOXFS=$(FSTOOLS)/bin/redoxfs
 REDOXFS_MKFS=$(FSTOOLS)/bin/redoxfs-mkfs
-INSTALLER_OPTS=
+INSTALLER_OPTS=--cookbook=.
 COOKBOOK_OPTS="--filesystem=$(FILESYSTEM_CONFIG)"
-ifeq ($(REPO_BINARY),0)
-INSTALLER_OPTS+=--cookbook=.
-else
-INSTALLER_OPTS+=--cookbook=. --repo-binary
-COOKBOOK_OPTS+=" --repo-binary"
+ifeq ($(REPO_BINARY),1)
+INSTALLER_OPTS+=--repo-binary
+COOKBOOK_OPTS+=--repo-binary
 endif
 
 REPO_TAG=$(BUILD)/repo.tag