diff --git a/app/models/repository_stock_value.rb b/app/models/repository_stock_value.rb
index 02a87c974..0e26c0bc1 100644
--- a/app/models/repository_stock_value.rb
+++ b/app/models/repository_stock_value.rb
@@ -118,14 +118,18 @@ class RepositoryStockValue < ApplicationRecord
     new_amount = new_data[:amount].to_d
     delta = new_amount - amount.to_d
     self.comment = new_data[:comment].presence
-    repository_ledger_records.create!(
-      user: last_modified_by,
-      amount: delta,
-      balance: new_amount,
-      reference: repository_cell.repository_column.repository,
-      comment: comment,
-      unit: repository_stock_unit_item&.data
-    )
+
+    unless preview
+      repository_ledger_records.create!(
+        user: last_modified_by,
+        amount: delta,
+        balance: new_amount,
+        reference: repository_cell.repository_column.repository,
+        comment: comment,
+        unit: repository_stock_unit_item&.data
+      )
+    end
+
     self.amount = new_amount
     preview ? validate : save!
   end
diff --git a/app/utilities/repository_import_parser/importer.rb b/app/utilities/repository_import_parser/importer.rb
index 79dcf7fb7..5c511a8a9 100644
--- a/app/utilities/repository_import_parser/importer.rb
+++ b/app/utilities/repository_import_parser/importer.rb
@@ -20,7 +20,7 @@ module RepositoryImportParser
       @header_skipped = false
       @repository = repository
       @sheet = sheet
-      @rows = SpreadsheetParser.spreadsheet_enumerator(@sheet).compact_blank
+      @rows = SpreadsheetParser.spreadsheet_enumerator(@sheet).reject { |r| r.all?(&:blank?) }
       @mappings = mappings
       @user = user
       @repository_columns = @repository.repository_columns
@@ -188,9 +188,10 @@ module RepositoryImportParser
                             handle_existing_cell_value(existing_cell, cell_value, repository_row)
                           end
 
-          @updated ||= existing_cell&.value&.changed?
+          @updated ||= @preview ? existing_cell&.value&.changed? : existing_cell&.value&.saved_changes?
           @errors << existing_cell.value.errors.full_messages.join(',') if existing_cell&.value&.errors.present?
         end
+
         repository_row.import_status = if @errors.present?
                                          'invalid'
                                        elsif repository_row.import_status == 'created'