diff --git a/app/services/blocks_migration.rb b/app/services/blocks_migration.rb
index 65d2e69e2d54892d97bd6d9f7d96459b1c41a78d..d88ca77c416616ed761ceb5ea1d8f08c19ae1b23 100644
--- a/app/services/blocks_migration.rb
+++ b/app/services/blocks_migration.rb
@@ -4,7 +4,7 @@ require 'communication/block/template/chapter'
 class BlocksMigration
 
   def self.cleanup
-    Communication::Website::Post.where(description: [nil, ""]).each do |post|
+    Communication::Website::Post.where.not(text: [nil, ""]).each do |post|
       puts "#{post} (#{post.id}, #{post.university})"
       if post.blocks.none?
         puts "  migrating"