diff --git a/templates/locales/providers_docker.yml b/templates/locales/providers_docker.yml
index 0c10338ce..50f9959ab 100644
--- a/templates/locales/providers_docker.yml
+++ b/templates/locales/providers_docker.yml
@@ -139,6 +139,8 @@ en:
           "build_dir" must exist and contain a Dockerfile
         build_dir_or_image: |-
           One of "build_dir" or "image" must be set
+        compose_configuration_hash: |-
+          "compose_configuration" must be a hash
         create_args_array: |-
           "create_args" must be an array
         invalid_link: |-