diff --git a/app/controllers/issues_controller.rb b/app/controllers/issues_controller.rb
index ce4e5814b..dc4818cb0 100644
--- a/app/controllers/issues_controller.rb
+++ b/app/controllers/issues_controller.rb
@@ -59,6 +59,10 @@ class IssuesController < ApplicationController
           @issue_count = @query.issue_count
           @issues = @query.issues(:offset => @offset, :limit => @limit)
           Issue.load_visible_relations(@issues) if include_in_api_response?('relations')
+          if User.current.allowed_to?(:view_time_entries, nil, :global => true)
+            Issue.load_visible_spent_hours(@issues)
+            Issue.load_visible_total_spent_hours(@issues)
+          end
         end
         format.atom do
           @issues = @query.issues(:limit => Setting.feeds_limit.to_i)
diff --git a/app/views/issues/index.api.rsb b/app/views/issues/index.api.rsb
index 4bba32549..da60ea5c6 100644
--- a/app/views/issues/index.api.rsb
+++ b/app/views/issues/index.api.rsb
@@ -19,6 +19,11 @@ api.array :issues, api_meta(:total_count => @issue_count, :offset => @offset, :l
       api.done_ratio  issue.done_ratio
       api.is_private  issue.is_private
       api.estimated_hours issue.estimated_hours
+      api.total_estimated_hours issue.total_estimated_hours
+      if User.current.allowed_to?(:view_time_entries, issue.project)
+        api.spent_hours(issue.spent_hours)
+        api.total_spent_hours(issue.total_spent_hours)
+      end
 
       render_api_custom_values issue.visible_custom_field_values, api