diff --git a/applications/fpvviewer/fpvectorialsrc/fpvtocanvas.pas b/applications/fpvviewer/fpvectorialsrc/fpvtocanvas.pas
index 62bca6733..16c3a5126 100644
--- a/applications/fpvviewer/fpvectorialsrc/fpvtocanvas.pas
+++ b/applications/fpvviewer/fpvectorialsrc/fpvtocanvas.pas
@@ -115,7 +115,7 @@ end;
 
   DrawFPVectorialToCanvas(ASource, ADest, 0, ASource.Height, 1.0, -1.0);
 }
-{$define FPVECTORIAL_TOCANVAS_DEBUG}
+{.$define FPVECTORIAL_TOCANVAS_DEBUG}
 procedure DrawFPVectorialToCanvas(ASource: TvVectorialDocument;
   {$ifdef USE_LCL_CANVAS}ADest: TCanvas;{$else}ADest: TFPCustomCanvas;{$endif}
   ADestX: Integer = 0; ADestY: Integer = 0; AMulX: Double = 1.0; AMulY: Double = 1.0);