diff --git a/components/heidisql/include/const.inc b/components/heidisql/include/const.inc
index def290f3..971e93c4 100644
--- a/components/heidisql/include/const.inc
+++ b/components/heidisql/include/const.inc
@@ -17,6 +17,7 @@ const
 
   // General things
   APPNAME          = 'HeidiSQL';
+  APPDOMAIN        = 'http://www.heidisql.com/';
   REGPATH          = '\Software\' + APPNAME + '\';
   REGKEY_SESSIONS  = 'Servers\';
   STATUS_MSG_READY = 'Ready.';
diff --git a/source/helpers.pas b/source/helpers.pas
index f9d911ae..8e64d6e5 100644
--- a/source/helpers.pas
+++ b/source/helpers.pas
@@ -842,7 +842,7 @@ begin
       // footer:
       buffer := '</table>' + crlf +  crlf + '<p>' + crlf +
         '<em>generated ' + datetostr(now) + ' ' + timetostr(now) +
-        ' by <a href="http://www.heidisql.com/">' + Generator + '</a></em></p>' + crlf + crlf +
+        ' by <a href="'+APPDOMAIN+'">' + Generator + '</a></em></p>' + crlf + crlf +
         '</body></html>';
       if FStream <> nil then FStream.Write(pchar(buffer)^, length(buffer))
       else begin
diff --git a/source/sqlhelp.pas b/source/sqlhelp.pas
index 50627e42..07192d80 100644
--- a/source/sqlhelp.pas
+++ b/source/sqlhelp.pas
@@ -333,7 +333,7 @@ end;
 }
 procedure TfrmSQLhelp.ButtonOnlinehelpClick(Sender: TObject);
 begin
-  ShellExec( 'http://www.heidisql.com/sqlhelp.php?mysqlversion='+inttostr(m.mysql_version)+
+  ShellExec( APPDOMAIN + 'sqlhelp.php?mysqlversion='+inttostr(m.mysql_version)+
     '&keyword='+urlencode(keyword) );
 end;