diff --git a/mbn_stock/Form1.cs b/mbn_stock/Form1.cs
index 418d478..5668954 100644
--- a/mbn_stock/Form1.cs
+++ b/mbn_stock/Form1.cs
@@ -47,11 +47,12 @@ namespace mbn_stock
             MinimumSize = new Size(1100, 700);
 
             SplitContainer splitContainer = new SplitContainer();
+            splitContainer.Size = new Size(Math.Max(ClientSize.Width, MinimumSize.Width), Math.Max(ClientSize.Height, MinimumSize.Height));
             splitContainer.Dock = DockStyle.Fill;
             splitContainer.FixedPanel = FixedPanel.Panel1;
-            splitContainer.SplitterDistance = 500;
             splitContainer.Panel1MinSize = 420;
             splitContainer.Panel2MinSize = 520;
+            splitContainer.SplitterDistance = 500;
             splitContainer.BackColor = Color.FromArgb(210, 214, 220);
 
             Panel leftPanel = new Panel();