diff --git a/src/FrameBuffer.cpp b/src/FrameBuffer.cpp
index aa8e1385..353a6e85 100644
--- a/src/FrameBuffer.cpp
+++ b/src/FrameBuffer.cpp
@@ -876,8 +876,10 @@ void FrameBufferList::renderBuffer(u32 _address)
 		Xoffset = 0;
 
 	if (isLowerField) {
-//		if (srcY0 > 0)
-//			--srcY0;
+		if (*REG.VI_WIDTH < VI.width * 2) {
+			if (srcY0 > 0)
+				--srcY0;
+		}
 		if (dstY0 > 0)
 			--dstY0;
 	}