diff --git a/CHANGELOG.md b/CHANGELOG.md
index ba3d936..7c20531 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+# v0.18 2018-08-01
+
+* Enable API by default, so that Export Board works.
+
+Thanks to GitHub user xet7 for contributions.
+
 # v0.17 2018-05-19
 
 * Use MongoDB 3.2.20
diff --git a/docker-compose.yml b/docker-compose.yml
index e7545a8..e510f7e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -114,6 +114,12 @@ services:
       #---------------------------------------------------------------
       - MAIL_URL=smtp://user:pass@mailserver.example.com:25/
       - MAIL_FROM='Example Wekan Support <support@example.com>'
+      #---------------------------------------------------------------
+      # == WEKAN API ==
+      # Wekan Export Board works when WITH_API='true'.
+      # If you disable Wekan API, Export Board does not work.
+      - WITH_API='true'
+      #---------------------------------------------------------------
     depends_on:
       - wekandb