diff --git a/GBM/Forms/frmFilter.vb b/GBM/Forms/frmFilter.vb
index 2a98186..3f2fd69 100644
--- a/GBM/Forms/frmFilter.vb
+++ b/GBM/Forms/frmFilter.vb
@@ -393,6 +393,7 @@ Public Class frmFilter
         cboBoolFilter.SelectedIndex = 0
         numFilter.Value = 0
         txtStringFilter.Text = String.Empty
+        chkNot.Checked = False
 
         'Reset Visibilty
         cboBoolFilter.Visible = False