diff --git a/Dockerfile b/Dockerfile
index 9e33518..20a7396 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,7 @@ LABEL "homepage"="https://github.com/re-actors"
 LABEL "maintainer"="Sviatoslav Sydorenko <wk+re-actors@sydorenko.org.ua>"
 
 ENV ANSIBLE_LOCAL_TEMP "/tmp/ansible/local"
-ENV ANSIBLE_ASYNC_DIR = "/tmp/ansible/async"
+ENV ANSIBLE_ASYNC_DIR "/tmp/ansible/async"
 
 USER root
 RUN pip install docker