index 2dc9a76aa..2952977f2 100644
--- a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_image.cxx
+++ b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_image.cxx
@@ -805,6 +805,7 @@ int Fl_Xlib_Graphics_Driver::scale_and_render_pixmap(Fl_Offscreen pixmap, int de
   if (clipr)
     XRenderSetPictureClipRegion(fl_display, dst, clipr);
   unscale_clip(r);
+  bool smooth = false;
   if (scale_x != 1 || scale_y != 1) {
     XTransform mat = {{
       { XDoubleToFixed( scale_x ), XDoubleToFixed( 0 ),       XDoubleToFixed( 0 ) },
@@ -812,8 +813,10 @@ int Fl_Xlib_Graphics_Driver::scale_and_render_pixmap(Fl_Offscreen pixmap, int de
       { XDoubleToFixed( 0 ),       XDoubleToFixed( 0 ),       XDoubleToFixed( 1 ) }
     }};
     XRenderSetPictureTransform(fl_display, src, &mat);
+    smooth = Fl_Image::scaling_algorithm() != FL_RGB_SCALING_NEAREST;
+    XRenderSetPictureFilter(fl_display, src, smooth ? FilterBilinear : FilterNearest, 0, 0);
   }
-  XRenderComposite(fl_display, (has_alpha ? PictOpOver : PictOpSrc), src, None, dst, srcx, srcy, 0, 0,
+  XRenderComposite(fl_display, ((has_alpha || smooth) ? PictOpOver : PictOpSrc), src, None, dst, srcx, srcy, 0, 0,
                    XP, YP, WP, HP);
   XRenderFreePicture(fl_display, src);
   XRenderFreePicture(fl_display, dst);