diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index a5fec012f..d9241c384 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -27,8 +27,7 @@ build:
       - npm install docs/riscv-isa/riscv-isa-manual/dependencies
       - gem install -g docs/riscv-isa/riscv-isa-manual/dependencies/Gemfile
     pre_build:
-      - export PATH=$PWD/node_modules/.bin:$PATH
-      - make -C docs prepare
+      - PATH=$PWD/node_modules/.bin:$PATH make -C docs prepare
 
 # Build from the docs directory with Sphinx
 sphinx: