diff --git a/src/emucore/tia/frame-manager/FrameManager.cxx b/src/emucore/tia/frame-manager/FrameManager.cxx
index 55d94115c..05eba3409 100644
--- a/src/emucore/tia/frame-manager/FrameManager.cxx
+++ b/src/emucore/tia/frame-manager/FrameManager.cxx
@@ -31,8 +31,8 @@ enum Metrics: uInt32 {
   baseHeightPAL                 = 288,
   maxLinesVsync                 = 50,
   initialGarbageFrames          = TIAConstants::initialGarbageFrames,
-  ystartNTSC                    = 34,
-  ystartPAL                     = 39
+  ystartNTSC                    = 16,
+  ystartPAL                     = 19
 };
 
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