@@ -138,11 +138,15 @@
   {$IFDEF DARWIN}
   HTTPClient: TFPHttpClient;
   {$ENDIF}
 begin
   // What's the current running groff version?
-  if RunCommand('troff', ['--version'], GroffOutputVersion) then
+  {$IFDEF WINDOWS}
+  if RunCommand('cmd', ['/c', 'troff', '--version'], GroffOutputVersion) then
+  {$ELSE}
+  if RunCommand('/bin/sh', ['-c', 'troff', '--version'], GroffOutputVersion) then
+  {$ENDIF}
   begin
     edtGroffInstalledVersion.Text := GroffOutputVersion;
     if pos('GNU', GroffOutputVersion) = 0 then
        ShowMessage('groffstudio thinks that your installed version of troff is not GNU troff.' + LineEnding +
        'If this is correct, you are advised to fix this before continuing.' + LineEnding +