diff --git a/.envrc b/.envrc
index 58e53d0..58ad4b3 100644
--- a/.envrc
+++ b/.envrc
@@ -1,25 +1,22 @@
 export PATH="$(git rev-parse --show-toplevel)/bin:$PATH"
 
-err() {
-    >&2 echo "$*"
-    exit 1
-}
-
-goos=$(uname | tr A-Z a-z)
+[[ -x bin/bazel ]] && exit
 
 case $(uname -m) in
-    x86_64) goarch=amd64;;
-    aarch64) goarch=arm64;;
-    *) err "unsupported architecture $(uname -m)"
+    x86_64)
+        goarch=amd64;;
+    aarch64)
+        goarch=arm64;;
+    *)
+        >&2 echo "unsupported architecture $(uname -m)"
+        exit 1;;
 esac
 
-if [[ -x bin/bazel ]]; then
-    exit
-fi
+bzl="bazelisk-$(uname | tr A-Z a-z)-${goarch}"
 
-rm -f "bin/bazelisk-${goos}-${goarch}"
-wget --no-verbose "https://github.com/bazelbuild/bazelisk/releases/download/v1.10.1/bazelisk-${goos}-${goarch}" \
-    -O "bin/bazelisk-${goos}-${goarch}"
+rm -f "bin/$bzl"
+wget --no-verbose "https://github.com/bazelbuild/bazelisk/releases/download/v1.10.1/$bzl" \
+    -O "bin/$bzl"
 
 sha256sum -c --ignore-missing <<-EOF
 e485bbf84532d02a60b0eb23c702610b5408df3a199087a4f2b5e0995bbf2d5a  bin/bazelisk-darwin-amd64
@@ -28,5 +25,5 @@ c22d48601466d9d3b043ccd74051f2f4230f9b9f4509f097017c97303aa88d13  bin/bazelisk-d
 c1de6860dd4f8d5e2ec270097bd46d6a211b971a0b8b38559784bd051ea950a1  bin/bazelisk-linux-arm64
 EOF
 
-chmod a+x "bin/bazelisk-${goos}-${goarch}"
-mv "bin/bazelisk-${goos}-${goarch}" bin/bazel
+chmod a+x "bin/$bzl"
+mv "bin/$bzl" bin/bazel