diff --git a/Publication/Forms/FormMaterial.cs b/Publication/Forms/FormMaterial.cs
index 17adc78..55d2d3f 100644
--- a/Publication/Forms/FormMaterial.cs
+++ b/Publication/Forms/FormMaterial.cs
@@ -69,7 +69,7 @@ MessageBoxButtons.OK, MessageBoxIcon.Error);
     {
         try
         {
-            if (int.Parse(numericUpDownCount.Value.ToString()) <= 0 || dateTimePickerDateMaterial.Value.Date <= DateTime.Now || checkedListBox1.SelectedItems.Count == 0)
+            if (int.Parse(numericUpDownCount.Value.ToString()) <= 0 || dateTimePickerDateMaterial.Value.Date <= DateTime.Now || checkedListBox.SelectedItems.Count == 0)
             {
                 throw new Exception("Имеются незаполненные поля");
             }