diff --git a/Results/Forms/BatchResultsDlg.cs b/Results/Forms/BatchResultsDlg.cs
index c9006c4e1..4593e3367 100644
--- a/Results/Forms/BatchResultsDlg.cs
+++ b/Results/Forms/BatchResultsDlg.cs
@@ -310,16 +310,19 @@ namespace Results.Forms
                         oneHeight = Math.Max(MinHeight, flowLayoutPanel.Height / metersInOneGroup - 6);
                     }
 
-                    /// Update size of controls
-                    flowLayoutPanel.SuspendLayout();
-                    ///
-                    foreach (var oneCtrl in wmRsltsCtrl)
+                    if (wmRsltsCtrl != null)
                     {
-                        oneCtrl.Width = oneWidth;
-                        oneCtrl.Height = oneHeight;
+                        /// Update size of controls
+                        flowLayoutPanel.SuspendLayout();
+                        ///
+                        foreach (var oneCtrl in wmRsltsCtrl)
+                        {
+                            oneCtrl.Width = oneWidth;
+                            oneCtrl.Height = oneHeight;
+                        }
+                        ///
+                        flowLayoutPanel.ResumeLayout();
                     }
-                    ///
-                    flowLayoutPanel.ResumeLayout();
                 }
             }
         }