diff --git a/lib/s3.js b/lib/s3.js
index a2feaee..d11c3d4 100644
--- a/lib/s3.js
+++ b/lib/s3.js
@@ -50,6 +50,11 @@ module.exports = CoreObject.extend({
         accessKeyId: accessKeyId,
         secretAccessKey: secretAccessKey,
       };
+
+      if (sessionToken) {
+        this.plugin.log('Using AWS session token from config', { verbose: true });
+        s3Options.credentials.sessionToken = sessionToken;
+      }
     }
 
     if (signatureVersion) {
@@ -57,11 +62,6 @@ module.exports = CoreObject.extend({
       s3Options.signatureVersion = signatureVersion;
     }
 
-    if (sessionToken) {
-      this.plugin.log('Using AWS session token from config', { verbose: true });
-      s3Options.sessionToken = sessionToken;
-    }
-
     if (profile && !this.plugin.readConfig('s3Client')) {
       this.plugin.log('Using AWS profile from config', { verbose: true });
       s3Options.credentials = fromIni({ profile: profile });