diff --git a/lib/engines/content_block_manager/app/models/content_block_manager/content_block/document/document_filter.rb b/lib/engines/content_block_manager/app/models/content_block_manager/content_block/document/document_filter.rb
index 46ef0630090..dff679e0718 100644
--- a/lib/engines/content_block_manager/app/models/content_block_manager/content_block/document/document_filter.rb
+++ b/lib/engines/content_block_manager/app/models/content_block_manager/content_block/document/document_filter.rb
@@ -83,6 +83,7 @@ def unpaginated_documents
       documents = documents.with_lead_organisation(@filters[:lead_organisation]) if @filters[:lead_organisation].present?
       documents = documents.from_date(from_date) if valid? && from_date
       documents = documents.to_date(to_date) if valid? && to_date
+      documents = documents.distinct
       documents.order("content_block_editions.updated_at DESC")
     end
   end
diff --git a/lib/engines/content_block_manager/test/unit/app/models/content_block_edition/document/document_filter_test.rb b/lib/engines/content_block_manager/test/unit/app/models/content_block_edition/document/document_filter_test.rb
index 50ac25629c5..990889d0eb8 100644
--- a/lib/engines/content_block_manager/test/unit/app/models/content_block_edition/document/document_filter_test.rb
+++ b/lib/engines/content_block_manager/test/unit/app/models/content_block_edition/document/document_filter_test.rb
@@ -9,6 +9,7 @@ class ContentBlockManager::DocumentFilterTest < ActiveSupport::TestCase
     before do
       ContentBlockManager::ContentBlock::Document.expects(:live).returns(document_scope_mock)
       document_scope_mock.expects(:joins).with(:latest_edition).returns(document_scope_mock)
+      document_scope_mock.expects(:distinct).returns(document_scope_mock)
       document_scope_mock.expects(:order).with("content_block_editions.updated_at DESC").returns(document_scope_mock)
       document_scope_mock.expects(:per).with(15).returns([])
     end