diff --git a/app/actions/contact_merge_action.rb b/app/actions/contact_merge_action.rb
index 61a26e185..393b3861b 100644
--- a/app/actions/contact_merge_action.rb
+++ b/app/actions/contact_merge_action.rb
@@ -5,6 +5,7 @@ class ContactMergeAction
     ActiveRecord::Base.transaction do
       validate_contacts
       merge_conversations
+      merge_messages
       merge_contact_inboxes
       remove_mergee_contact
     end
@@ -26,6 +27,10 @@ class ContactMergeAction
     Conversation.where(contact_id: @mergee_contact.id).update(contact_id: @base_contact.id)
   end
 
+  def merge_messages
+    Message.where(contact_id: @mergee_contact.id).update(contact_id: @base_contact.id)
+  end
+
   def merge_contact_inboxes
     ContactInbox.where(contact_id: @mergee_contact.id).update(contact_id: @base_contact.id)
   end
diff --git a/app/models/contact.rb b/app/models/contact.rb
index 112a261c8..9e07fc8fe 100644
--- a/app/models/contact.rb
+++ b/app/models/contact.rb
@@ -28,6 +28,7 @@ class Contact < ApplicationRecord
   has_many :conversations, dependent: :destroy
   has_many :contact_inboxes, dependent: :destroy
   has_many :inboxes, through: :contact_inboxes
+  has_many :messages, dependent: :destroy
 
   def get_source_id(inbox_id)
     contact_inboxes.find_by!(inbox_id: inbox_id).source_id
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 21d957588..0eb966a96 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -83,13 +83,16 @@ Rails.application.configure do
   config.log_formatter = ::Logger::Formatter.new
 
   # Use a different logger for distributed setups.
-  # require 'syslog/logger'
-  config.logger = ActiveSupport::Logger.new(Rails.root.join('log', Rails.env + '.log'), 1, ENV.fetch('LOG_SIZE', '1024').to_i.megabytes)
-
   if ENV['RAILS_LOG_TO_STDOUT'].present?
     logger           = ActiveSupport::Logger.new(STDOUT)
     logger.formatter = config.log_formatter
     config.logger    = ActiveSupport::TaggedLogging.new(logger)
+  else
+    config.logger    = ActiveSupport::Logger.new(
+      Rails.root.join('log', Rails.env + '.log'),
+      1,
+      ENV.fetch('LOG_SIZE', '1024').to_i.megabytes
+    )
   end
 
   # Do not dump schema after migrations.
diff --git a/docker/Dockerfile b/docker/Dockerfile
index b1b9d39bb..ace2dd170 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -47,7 +47,7 @@ COPY . /app
 
 # generate production assets if production environment
 RUN if [ "$RAILS_ENV" = "production" ]; then \
-  SECRET_KEY_BASE=precompile_placeholder bundle exec rake assets:precompile; \
+  SECRET_KEY_BASE=precompile_placeholder RAILS_LOG_TO_STDOUT=enabled bundle exec rake assets:precompile; \
   fi
 
 # final build stage
diff --git a/spec/actions/contact_merge_action_spec.rb b/spec/actions/contact_merge_action_spec.rb
index bf95b7291..69f481c73 100644
--- a/spec/actions/contact_merge_action_spec.rb
+++ b/spec/actions/contact_merge_action_spec.rb
@@ -10,6 +10,7 @@ describe ::ContactMergeAction do
   before do
     2.times.each { create(:conversation, contact: base_contact) }
     2.times.each { create(:conversation, contact: mergee_contact) }
+    2.times.each { create(:message, contact: mergee_contact) }
   end
 
   describe '#perform' do
@@ -32,6 +33,13 @@ describe ::ContactMergeAction do
       end
     end
 
+    context 'when mergee contact has messages' do
+      it 'moves the messages to base contact' do
+        contact_merge
+        expect(base_contact.messages.count).to be 2
+      end
+    end
+
     context 'when contacts belong to a different account' do
       it 'throws an exception' do
         new_account = create(:account)
diff --git a/yarn.lock b/yarn.lock
index 5482bda1b..1eb2fe063 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8810,14 +8810,14 @@ regenerator-runtime@^0.13.3:
   integrity sha512-naKIZz2GQ8JWh///G7L3X6LaQUAMp2lvb1rvwwsURe/VXwD6VMfr+/1NuNw3ag8v2kY1aQ/go5SNn79O9JU7yw==
 
 regenerator-runtime@^0.13.4:
-  version "0.13.4"
-  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.13.4.tgz#e96bf612a3362d12bb69f7e8f74ffeab25c7ac91"
-  integrity sha512-plpwicqEzfEyTQohIKktWigcLzmNStMGwbOUbykx51/29Z3JOGYldaaNGK7ngNXV+UcoqvIMmloZ48Sr74sd+g==
+  version "0.13.5"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.13.5.tgz#d878a1d094b4306d10b9096484b33ebd55e26697"
+  integrity sha512-ZS5w8CpKFinUzOwW3c83oPeVXoNsrLsaCoLtJvAClH135j/R77RuymhiSErhm2lKcwSCIpmvIWSbDkIfAqKQlA==
 
 regenerator-transform@^0.14.2:
-  version "0.14.2"
-  resolved "https://registry.yarnpkg.com/regenerator-transform/-/regenerator-transform-0.14.2.tgz#949d9d87468ff88d5a7e4734ebb994a892de1ff2"
-  integrity sha512-V4+lGplCM/ikqi5/mkkpJ06e9Bujq1NFmNLvsCs56zg3ZbzrnUzAtizZ24TXxtRX/W2jcdScwQCnbL0CICTFkQ==
+  version "0.14.4"
+  resolved "https://registry.yarnpkg.com/regenerator-transform/-/regenerator-transform-0.14.4.tgz#5266857896518d1616a78a0479337a30ea974cc7"
+  integrity sha512-EaJaKPBI9GvKpvUz2mz4fhx7WPgvwRLY9v3hlNHWmAuJHI13T4nwKnNvm5RWJzEdnI5g5UwtOww+S8IdoUC2bw==
   dependencies:
     "@babel/runtime" "^7.8.4"
     private "^0.1.8"