diff --git a/lib/travis/api/app.rb b/lib/travis/api/app.rb
index edc64310..25af74ba 100644
--- a/lib/travis/api/app.rb
+++ b/lib/travis/api/app.rb
@@ -199,6 +199,9 @@ module Travis::Api
         Travis::Database.connect
 
         if Travis.config.logs_database
+          pool_size = ENV['DATABASE_POOL_SIZE']
+          Travis.config.logs_database[:pool] = pool_size if pool_size
+
           Log.establish_connection 'logs_database'
           Log::Part.establish_connection 'logs_database'
         end