diff --git a/client/X11/xf_gdi.c b/client/X11/xf_gdi.c
index 8d0f337d8..ebdcfe735 100644
--- a/client/X11/xf_gdi.c
+++ b/client/X11/xf_gdi.c
@@ -553,7 +553,7 @@ void xf_gdi_polyline(rdpContext* context, POLYLINE_ORDER* polyline)
 	xfInfo* xfi = ((xfContext*) context)->xfi;
 
 	xf_set_rop2(xfi, polyline->bRop2);
-	color = freerdp_color_convert_rgb(polyline->penColor, xfi->srcBpp, 32, xfi->clrconv);
+	color = freerdp_color_convert_var(polyline->penColor, xfi->srcBpp, 32, xfi->clrconv);
 
 	XSetFillStyle(xfi->display, xfi->gc, FillSolid);
 	XSetForeground(xfi->display, xfi->gc, color);
@@ -711,7 +711,7 @@ void xf_gdi_polygon_sc(rdpContext* context, POLYGON_SC_ORDER* polygon_sc)
 	xfInfo* xfi = ((xfContext*) context)->xfi;
 
 	xf_set_rop2(xfi, polygon_sc->bRop2);
-	brush_color = freerdp_color_convert_rgb(polygon_sc->brushColor, xfi->srcBpp, 32, xfi->clrconv);
+	brush_color = freerdp_color_convert_var(polygon_sc->brushColor, xfi->srcBpp, 32, xfi->clrconv);
 
 	npoints = polygon_sc->numPoints + 1;
 	points = xmalloc(sizeof(XPoint) * npoints);