diff --git a/db/seeds/activities/stem_learning.rb b/db/seeds/activities/stem_learning.rb
index 5e335a438..4a9546156 100644
--- a/db/seeds/activities/stem_learning.rb
+++ b/db/seeds/activities/stem_learning.rb
@@ -1184,6 +1184,7 @@
   activity.category = "face-to-face"
   activity.provider = "stem-learning"
   activity.stem_activity_code = "CP252"
+  activity.course_video_url = "https://www.youtube.com/watch?v=QEL1wB_6Pf4&list=PLwcV67XMdDdJT0TkvZo6cTDSR0uJgP3Ku"
 
   activity.programmes = [primary_certificate]
 end.save!
@@ -1926,7 +1927,9 @@
   activity.category = "face-to-face"
   activity.provider = "stem-learning"
   activity.stem_activity_code = "CP292"
-  activity.course_video_url = "https://www.youtube.com/watch?v=QEL1wB_6Pf4&list=PLwcV67XMdDdJT0TkvZo6cTDSR0uJgP3Ku"
+  activity.course_video_url = nil
+  # Course video was set on the wrong seed - setting back to nil and moved to CP252
+  # https://github.com/NCCE/teachcomputing.org-issues/issues/2914
 
   activity.programmes = [primary_certificate]
 end.save!