diff --git a/_build.sh b/_build.sh
index f21e6183..77456e3a 100644
--- a/_build.sh
+++ b/_build.sh
@@ -1,7 +1,8 @@
 #!/usr/bin/env Rscript
 webshot::install_phantomjs()
 
-bookdown::render_book('book/index.Rmd', 'bookdown::gitbook')
+setwd("book")
+bookdown::render_book('index.Rmd', 'bookdown::gitbook')
 # bookdown::render_book("index.Rmd", "bookdown::pdf_book")
 # bookdown::render_book("index.Rmd", "bookdown::epub_book")