diff --git a/lib/fog/aws/models/ec2/servers.rb b/lib/fog/aws/models/ec2/servers.rb
index add5da6c8..539e115ac 100644
--- a/lib/fog/aws/models/ec2/servers.rb
+++ b/lib/fog/aws/models/ec2/servers.rb
@@ -25,7 +25,7 @@ module Fog
               reservation['instancesSet'].map do |instance|
                 instance.merge(:groups => reservation['groupSet'])
               end
-            end
+            end.flatten
           )
         end