diff --git a/config/deploy/preproduction.rb b/config/deploy/preproduction.rb
index 97759d6ce..70670881a 100644
--- a/config/deploy/preproduction.rb
+++ b/config/deploy/preproduction.rb
@@ -1,7 +1,7 @@
 set :deploy_to, deploysecret(:deploy_to)
 set :server_name, deploysecret(:server_name)
 set :db_server, deploysecret(:db_server)
-set :branch, :master
+ask :branch, :master
 set :ssh_options, port: deploysecret(:ssh_port)
 set :stage, :preproduction
 set :rails_env, :preproduction
diff --git a/config/deploy/staging.rb b/config/deploy/staging.rb
index 09ba7401a..0503d8ce5 100644
--- a/config/deploy/staging.rb
+++ b/config/deploy/staging.rb
@@ -1,7 +1,7 @@
 set :deploy_to, deploysecret(:deploy_to)
 set :server_name, deploysecret(:server_name)
 set :db_server, deploysecret(:db_server)
-set :branch, :master
+ask :branch, :master
 set :ssh_options, port: deploysecret(:ssh_port)
 set :stage, :staging
 set :rails_env, :staging