diff --git a/lib/snikket.rb b/lib/snikket.rb
index 1b9c638a7341b6f1a5e6daf665d5da546d9fff84..c797f57905cf76eafa754c29b8ac4a00e8fc5546 100644
--- a/lib/snikket.rb
+++ b/lib/snikket.rb
@@ -149,7 +149,7 @@ module Snikket
 				WHERE customer_id=$1
 			SQL
 			promise.then do |rows|
-				rows.map { |row| CustomerInstance.new(**row) }
+				rows.map { |row| CustomerInstance.new(**row.transform_keys(&:to_sym)) }
 			end
 		end