diff --git a/docs/build.sh b/docs/build.sh
index 4c023700..de772c05 100755
--- a/docs/build.sh
+++ b/docs/build.sh
@@ -4,6 +4,10 @@ tracked_markdown=$(mktemp)
 trap "rm ${tracked_markdown}" "EXIT"
 git ls-tree -r HEAD --name-only docs | egrep '\.(markdown|md)$' > $tracked_markdown
 
+if ! hash gelatyx 2>/dev/null ; then
+  cargo install gelatyx --locked
+fi
+
 gelatyx --language lua --file-list $tracked_markdown --language-config stylua.toml
 gelatyx --language lua --file-list $tracked_markdown --language-config stylua.toml --check || exit 1
 
@@ -20,9 +24,6 @@ fi
 if ! hash mdbook-mermaid 2>/dev/null ; then
   cargo install mdbook-mermaid --locked
 fi
-if ! hash gelatyx 2>/dev/null ; then
-  cargo install gelatyx --locked
-fi
 
 mdbook-mermaid install docs
 mdbook build docs