diff --git a/lib/docker_client.rb b/lib/docker_client.rb
index 420ad917..859306d2 100644
--- a/lib/docker_client.rb
+++ b/lib/docker_client.rb
@@ -95,7 +95,7 @@ class DockerClient
       before_execution_block.try(:call)
       send_command(command, @container, &output_consuming_block)
     else
-      raise('Alle Slots belegt. Versuche es später nochmal.')
+      raise('Alle Slots belegt. Versuche es nachher nochmal.')
     end
   rescue Excon::Errors::SocketError => error
     # socket errors seems to be normal when using exec