@@ -139,13 +139,13 @@
   HTTPClient: TFPHttpClient;
   {$ENDIF}
 begin
   // What's the current running groff version?
   {$IFDEF WINDOWS}
-  if RunCommand('cmd', ['/c', 'troff', '--version'], GroffOutputVersion) then
+  if RunCommand('cmd', ['/c', 'troff --version'], GroffOutputVersion) then
   {$ELSE}
-  if RunCommand('/bin/sh', ['-c', 'troff', '--version'], GroffOutputVersion) then
+  if RunCommand('/bin/sh', ['-c', 'troff --version'], GroffOutputVersion) then
   {$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 +