diff --git a/AngelLoader/CustomControls/RichTextBoxCustom.cs b/AngelLoader/CustomControls/RichTextBoxCustom.cs
index 98878473c..e17a63046 100644
--- a/AngelLoader/CustomControls/RichTextBoxCustom.cs
+++ b/AngelLoader/CustomControls/RichTextBoxCustom.cs
@@ -382,17 +382,16 @@ private static void RepositionScroll(IntPtr handle, SCROLLINFO si)
         // Intercept mousewheel and make RichTextBox scroll using the above method
         private void InterceptMousewheel(ref Message m)
         {
-            int delta = (int)m.WParam >> 16 & 0xFF;
             if (((ModifierKeys & Keys.Control) != 0) || !VerticalScrollBarVisible(this))
             {
                 base.WndProc(ref m);
                 return;
             }
-            if ((delta >> 7) == 1)
+            if ((int)m.WParam < 0)
             {
                 BetterScroll(m.HWnd, 50);
             }
-            if ((delta >> 7) == 0)
+            if ((int)m.WParam > 0)
             {
                 BetterScroll(m.HWnd, -50);
             }