diff --git a/MainForm.pas b/MainForm.pas
index 27a0231..1d4584b 100644
--- a/MainForm.pas
+++ b/MainForm.pas
@@ -3798,7 +3798,7 @@ begin
 
   if not Assigned(@WDSPwisdom) then Exit;
 
-  WisdomDir  := IncludeTrailingPathDelimiter(ExtractFilePath(ParamStr(0)));
+  WisdomDir  := GetAppCfgDir;
   WisdomPath := WisdomDir + WDSP_WISDOM_FILE;
 
   if FileExists(WisdomPath) then