diff --git a/README.md b/README.md
index 9caba2a6..95f20e5f 100644
--- a/README.md
+++ b/README.md
@@ -29,6 +29,7 @@ Features
 - Multi-users ACL system
 - Audit log
 - Comments
+- Storage quota per user
 - Document sharing by URL
 - RESTful Web API
 - Fully featured Android client
diff --git a/docs-web/src/main/java/com/sismics/docs/rest/resource/AppResource.java b/docs-web/src/main/java/com/sismics/docs/rest/resource/AppResource.java
index eb03376d..94a5977d 100644
--- a/docs-web/src/main/java/com/sismics/docs/rest/resource/AppResource.java
+++ b/docs-web/src/main/java/com/sismics/docs/rest/resource/AppResource.java
@@ -228,7 +228,9 @@ public class AppResource extends BaseResource {
         
         // Save all users
         for (User user : userMap.values()) {
-            userDao.update(user);
+            if (user.getDeleteDate() == null) {
+                userDao.update(user);
+            }
         }
         
         // Always return OK