diff --git a/src/commands/code-binding/index.js b/src/commands/code-binding/index.js
index 063000d..320f16f 100644
--- a/src/commands/code-binding/index.js
+++ b/src/commands/code-binding/index.js
@@ -9,7 +9,7 @@ program
   .option("-n, --type-name [typeName]", "Type name", "MyType")
   .option("-p, --profile [profile]", "AWS profile to use")
   .option(
-    "--region [region]",
+    "-r, --region [region]",
     "The AWS region to use. Falls back on AWS_REGION environment variable if not specified"
   )
   .option(
diff --git a/src/commands/shared/auth-helper.js b/src/commands/shared/auth-helper.js
index d117e07..5a86a5f 100644
--- a/src/commands/shared/auth-helper.js
+++ b/src/commands/shared/auth-helper.js
@@ -3,6 +3,7 @@ require("@mhlabs/aws-sdk-sso");
 
 function initAuth(cmd) {
 
+  AWS.config.region = cmd.region || process.env.AWS_REGION || AWS.config.region
   const credentials = new AWS.SharedIniFileCredentials({ profile: cmd.profile });
   if (credentials.accessKeyId) {
     AWS.config.credentials = credentials;
@@ -12,7 +13,6 @@ function initAuth(cmd) {
       new AWS.SingleSignOnCredentials()
     );
   }
-  process.env.AWS_REGION = cmd.region || process.env.AWS_REGION || AWS.config.region
 }
 
 module.exports = {