diff --git a/lib/index.js b/lib/index.js
index 3f933df..dbf5c05 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -73,7 +73,7 @@ function authorize(options, onConnection) {
         var scheme = parts[0],
           credentials = parts[1];
 
-        if (scheme === 'Bearer') {
+        if (scheme.toLowerCase() === 'bearer') {
           token = credentials;
         }
       } else {