--- redmine.orig/app/models/issue_query.rb       2017-05-15 11:08:16.370610968 +0200
+++ redmine/app/models/issue_query.rb   2017-05-15 11:08:24.691187176 +0200
@@ -137,7 +137,7 @@
     if project
       principals += project.principals.visible
       unless project.leaf?
-        subprojects = project.descendants.visible.to_a
+        subprojects = project.self_and_descendants.visible.to_a
         principals += Principal.member_of(subprojects).visible
       end
       versions = project.shared_versions.to_a