diff --git a/src/emucore/TIASurface.cxx b/src/emucore/TIASurface.cxx
index d0c4ffe2c..a98f21a4a 100644
--- a/src/emucore/TIASurface.cxx
+++ b/src/emucore/TIASurface.cxx
@@ -32,7 +32,7 @@ namespace {
   // Witv TV / and or scanline interpolation, the image has a height of ~480px. THe R77 runs at 720p, so there
   // is no benefit from QIS in y-direction. In addition, QIS on the R77 has performance issues if TV effects are
   // enabled.
-  return settings.getBool("tia.inter") || settings.getInt("tv.filter") != 0 || settings.getInt("tv.scanlines") != 0
+  return settings.getBool("tia.inter") || settings.getInt("tv.filter") != 0
     ? FrameBuffer::ScalingInterpolation::blur
     : FrameBuffer::ScalingInterpolation::sharp;
 #else