diff --git a/.Rbuildignore b/.Rbuildignore
index 5663b1bad..8c5c47921 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -13,6 +13,7 @@
 ^issues$
 ^external$
 ^vignettes-src$
+^tools$
 ^vignettes/examples$
 ^vignettes/new-guides$
 ^vignettes/learn\.Rmd$
diff --git a/tools/make-cran-pkg.R b/tools/make-cran-pkg.R
index 4c3144529..6e0af4d1b 100755
--- a/tools/make-cran-pkg.R
+++ b/tools/make-cran-pkg.R
@@ -6,7 +6,7 @@ withr::with_dir("..", {
   system("R CMD check --as-cran keras3_*.tar.gz")
 })
 
-r"(
+cat(r"(
 
 tools/make-man.R && \
 tools/knit-vignettes.R && \
@@ -16,4 +16,4 @@ tools/make-website.R
 
 tools/make-man.R && tools/make-website.R
 
-)"
+)")