diff --git a/Dockerfile b/Dockerfile
index e68176b424c21f9bb11d26a0a83fe084b4b64887..3174dfb825456907152daad63ce85de52f44e4c8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,3 @@
-FROM: ubuntu/apache2
+FROM ubuntu/apache2
 RUN sed -i 's#<Directory /var/www/>#<Directory /var/www/>\n        Header set Access-Control-Allow-Origin "*"#g' /etc/apache2/apache2.conf
 RUN a2enmod headers