diff --git a/src/buffer/out/ImageSlice.cpp b/src/buffer/out/ImageSlice.cpp
index 4950682ee89..65809e58a04 100644
--- a/src/buffer/out/ImageSlice.cpp
+++ b/src/buffer/out/ImageSlice.cpp
@@ -65,7 +65,6 @@ RGBQUAD* ImageSlice::MutablePixels(const til::CoordType columnBegin, const til::
         _columnBegin = existingData ? std::min(_columnBegin, columnBegin) : columnBegin;
         _columnEnd = existingData ? std::max(_columnEnd, columnEnd) : columnEnd;
         _pixelWidth = (_columnEnd - _columnBegin) * _cellSize.width;
-        _pixelWidth = (_pixelWidth + 3) & ~3; // Renderer needs this as a multiple of 4
         const auto bufferSize = _pixelWidth * _cellSize.height;
         if (existingData)
         {
diff --git a/src/renderer/gdi/paint.cpp b/src/renderer/gdi/paint.cpp
index 17e0f66e4ee..58eca36f843 100644
--- a/src/renderer/gdi/paint.cpp
+++ b/src/renderer/gdi/paint.cpp
@@ -685,7 +685,7 @@ try
     const auto srcWidth = imageSlice.PixelWidth();
     const auto srcHeight = srcCellSize.height;
     const auto dstWidth = srcWidth * dstCellSize.width / srcCellSize.width;
-    const auto dstHeight = srcHeight * dstCellSize.height / srcCellSize.height;
+    const auto dstHeight = dstCellSize.height;
     const auto x = (imageSlice.ColumnOffset() - viewportLeft) * dstCellSize.width;
     const auto y = targetRow * dstCellSize.height;