diff --git a/registry/coder/modules/vault-cli/README.md b/registry/coder/modules/vault-cli/README.md
index 16f82650..1da562b7 100644
--- a/registry/coder/modules/vault-cli/README.md
+++ b/registry/coder/modules/vault-cli/README.md
@@ -10,6 +10,13 @@ tags: [helper, integration, vault, cli]
 
 Installs the [Vault](https://www.vaultproject.io/) CLI and optionally configures token authentication. This module focuses on CLI installation and can be used standalone or as a base for other authentication methods.
 
+## Prerequisites
+
+The following tools are required in the workspace image:
+
+- **HTTP client**: `curl`, `wget`, or `busybox` (at least one)
+- **Archive utility**: `unzip` or `busybox` (at least one)
+
 ```tf
 module "vault_cli" {
   source     = "registry.coder.com/coder/vault-cli/coder"
diff --git a/registry/coder/modules/vault-cli/run.sh b/registry/coder/modules/vault-cli/run.sh
index 022c29fe..9012bc7c 100644
--- a/registry/coder/modules/vault-cli/run.sh
+++ b/registry/coder/modules/vault-cli/run.sh
@@ -28,14 +28,14 @@ fetch() {
 
   if [ -n "$${dest}" ]; then
     case "$${HTTP_CLIENT}" in
-      curl)    curl -sSL --fail "$${url}" -o "$${dest}" ;;
-      wget)    wget -O "$${dest}" "$${url}" ;;
+      curl) curl -sSL --fail "$${url}" -o "$${dest}" ;;
+      wget) wget -O "$${dest}" "$${url}" ;;
       busybox) busybox wget -O "$${dest}" "$${url}" ;;
     esac
   else
     case "$${HTTP_CLIENT}" in
-      curl)    curl -sSL --fail "$${url}" ;;
-      wget)    wget -qO- "$${url}" ;;
+      curl) curl -sSL --fail "$${url}" ;;
+      wget) wget -qO- "$${url}" ;;
       busybox) busybox wget -qO- "$${url}" ;;
     esac
   fi