diff --git a/app/controllers/admin/courses_controller.rb b/app/controllers/admin/courses_controller.rb
index 5eccee1..54df9a9 100644
--- a/app/controllers/admin/courses_controller.rb
+++ b/app/controllers/admin/courses_controller.rb
@@ -10,6 +10,11 @@ module Admin
       redirect_to admin_course_url(requested_resource), notice: "Filled in default live video URL"
     end
 
+    def redo_toggl_entries
+      requested_resource.redo_toggl_entries!
+      redirect_to admin_course_url(requested_resource), notice: "Redid Toggl entries"
+    end
+
     # Overwrite any of the RESTful controller actions to implement custom behavior
     # For example, you may want to send an email after a foo is updated.
     #
diff --git a/app/controllers/attendance_tracker_controller.rb b/app/controllers/attendance_tracker_controller.rb
index 3ce97a0..5b18c45 100644
--- a/app/controllers/attendance_tracker_controller.rb
+++ b/app/controllers/attendance_tracker_controller.rb
@@ -40,6 +40,6 @@ class AttendanceTrackerController < ApplicationController
   end
 
   def refresh_toggl
-    ScrapeTogglJob.perform_later
+    ScrapeTogglJob.perform_later(Course.active.ids)
   end
 end
diff --git a/app/jobs/scrape_toggl_job.rb b/app/jobs/scrape_toggl_job.rb
index 9116bf7..a9da21d 100644
--- a/app/jobs/scrape_toggl_job.rb
+++ b/app/jobs/scrape_toggl_job.rb
@@ -1,8 +1,8 @@
 class ScrapeTogglJob < ApplicationJob
   queue_as :default
 
-  def perform(*args)
-    courses = Course.all
+  def perform(course_ids)
+    courses = Course.where(id: course_ids)
 
     courses.each do |course|
       self.scrape_course(course)
diff --git a/app/models/course.rb b/app/models/course.rb
index f65b361..b9c227e 100644
--- a/app/models/course.rb
+++ b/app/models/course.rb
@@ -89,4 +89,11 @@ class Course < ApplicationRecord
     raise "No default live video URL set" if self.default_live_video_url.nil?
     lectures.where(live_video_url: nil).update_all(live_video_url: self.default_live_video_url)
   end
+
+  # Sometimes our toggl entries get mismatched or otherwise out of sync. This method will delete all tracked time entries
+  # for this course and then re-import them from Toggl.
+  def redo_toggl_entries!
+    TrackedTimeEntry.where(lecture: lectures).destroy_all
+    ScrapeTogglJob.perform_later([self.id])
+  end
 end
diff --git a/app/views/admin/course/_actions.html.erb b/app/views/admin/course/_actions.html.erb
index 24ff1d6..91c71b4 100644
--- a/app/views/admin/course/_actions.html.erb
+++ b/app/views/admin/course/_actions.html.erb
@@ -9,3 +9,9 @@
       [namespace, page.resource, :fill_in_default_live_video_url],
       class: "button",
     ) if accessible_action?(page.resource, :fill_in_default_live_video_url) && page.resource.default_live_video_url.present? %>
+
+<%= link_to(
+      "Redo Toggl entries",
+      [namespace, page.resource, :redo_toggl_entries],
+      class: "button",
+    ) if accessible_action?(page.resource, :redo_toggl_entries) && page.resource.default_live_video_url.present? %>