diff --git a/makefile b/makefile
index a2536c4..d9a03f2 100644
--- a/makefile
+++ b/makefile
@@ -1,10 +1,10 @@
 .PHONY: build_book
 build_book: build_docker_image
-	docker run -it -v $(PWD):/opt/repo the-sourdough-framework /bin/bash -c "cd /opt/repo/book && make build_pdf"
+	docker run -it -v .:/opt/repo the-sourdough-framework /bin/bash -c "cd /opt/repo/book && make build_pdf"
 
 .PHONY: release
 release: build_docker_image
-	docker run -it -v $(PWD):/opt/repo the-sourdough-framework /bin/bash -c "cd /opt/repo/book && make release"
+	docker run -it -v .:/opt/repo the-sourdough-framework /bin/bash -c "cd /opt/repo/book && make release"
 
 .PHONY: build_docker_image
 build_docker_image: