diff --git a/source/apphelpers.pas b/source/apphelpers.pas
index e5e33509..a348a584 100644
--- a/source/apphelpers.pas
+++ b/source/apphelpers.pas
@@ -1465,7 +1465,7 @@ var
 begin
   // This is called either in some early stage, or from preferences dialog
   VT.BeginUpdate;
-  SingleLineHeight := GetTextHeight(VT.Font) + 3;
+  SingleLineHeight := GetTextHeight(VT.Font) + 5;
   // Multiline nodes?
   VT.DefaultNodeHeight := SingleLineHeight * MultiLineCount;
   VT.Header.Height := SingleLineHeight;