diff --git a/db/migrate/20250710215720_copy_hyde_model_to_persona.rb b/db/migrate/20250710215720_copy_hyde_model_to_persona.rb
new file mode 100644
index 00000000..982ab0e5
--- /dev/null
+++ b/db/migrate/20250710215720_copy_hyde_model_to_persona.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+class CopyHydeModelToPersona < ActiveRecord::Migration[7.2]
+  def up
+    hyde_model =
+      DB.query_single("SELECT value FROM site_settings WHERE name = 'ai_embeddings_semantic_search_hyde_model'").first
+
+    if hyde_model.present? && hyde_model.start_with?("custom:")
+      # Extract the model ID from the setting value (e.g., "custom:1" -> "1")
+      model_id = hyde_model.split(":").last
+
+      # Update the hyde persona with the extracted model ID
+      execute(<<~SQL)
+        UPDATE ai_personas
+        SET default_llm_id = #{model_id}
+        WHERE id IN (-32) AND default_llm_id IS NULL
+      SQL
+    end
+  end
+
+  def down
+    raise ActiveRecord::IrreversibleMigration
+  end
+end