diff --git a/check_setup.php b/check_setup.php
index 4fb89e1..6c8a181 100644
--- a/check_setup.php
+++ b/check_setup.php
@@ -62,6 +62,11 @@ if (! is_writable(DATA_DIRECTORY)) {
     die('The data directory must be writeable by your web server user');
 }
 
+// Create favicon folder if missing
+if (! is_dir(FAVICON_DIRECTORY)) {
+    mkdir(FAVICON_DIRECTORY);
+}
+
 // Check if favicon directory is writeable
 if (! is_writable(FAVICON_DIRECTORY)) {
     die('The favicon directory must be writeable by your web server user');
diff --git a/docs/docker.markdown b/docs/docker.markdown
index 71086ff..b8d719e 100644
--- a/docs/docker.markdown
+++ b/docs/docker.markdown
@@ -28,4 +28,4 @@ Run container from the image:
 docker run -p 80:80 --name miniflux <yourname/imagename>
 ```
 
-You can also mount the volume `/var/www/html/data` to save the data on the host machine.
+You can also mount the volume `/var/www/html/data` to save the data on the host machine (this folder must have write access from the container web server user).