diff --git a/lib/oktakit/client.rb b/lib/oktakit/client.rb
index 0705b7b..b42548a 100644
--- a/lib/oktakit/client.rb
+++ b/lib/oktakit/client.rb
@@ -189,8 +189,8 @@ def sawyer_agent
         http.headers[:accept] = 'application/json'
         http.headers[:content_type] = 'application/json'
         http.headers[:user_agent] = "Oktakit v#{Oktakit::VERSION}"
-        http.authorization('SSWS ', @token) if @token
-        http.authorization(:Bearer, @access_token) if @access_token
+        http.headers[:authorization] = "SSWS #{@token}" if @token
+        http.headers[:authorization] = "Bearer #{@access_token}" if @access_token
       end
     end