diff --git a/apps/RenderCadenceCompositor/frames/InputFrameMailbox.cpp b/apps/RenderCadenceCompositor/frames/InputFrameMailbox.cpp
index 52baa15..b8b9f75 100644
--- a/apps/RenderCadenceCompositor/frames/InputFrameMailbox.cpp
+++ b/apps/RenderCadenceCompositor/frames/InputFrameMailbox.cpp
@@ -90,11 +90,22 @@ bool InputFrameMailbox::SubmitFrame(const void* bytes, unsigned rowBytes, uint64
 
 	Slot& slot = mSlots[slotIndex];
 	const std::size_t destinationRowBytes = mConfig.rowBytes;
-	const std::size_t copyRowBytes = (std::min)(static_cast<std::size_t>(rowBytes), destinationRowBytes);
+	const std::size_t sourceRowBytes = static_cast<std::size_t>(rowBytes);
 	const unsigned char* source = static_cast<const unsigned char*>(bytes);
-	for (unsigned y = 0; y < mConfig.height; ++y)
+	if (sourceRowBytes == destinationRowBytes)
 	{
-		std::memcpy(slot.bytes.data() + static_cast<std::size_t>(y) * destinationRowBytes, source + static_cast<std::size_t>(y) * rowBytes, copyRowBytes);
+		std::memcpy(slot.bytes.data(), source, destinationRowBytes * static_cast<std::size_t>(mConfig.height));
+	}
+	else
+	{
+		const std::size_t copyRowBytes = (std::min)(sourceRowBytes, destinationRowBytes);
+		for (unsigned y = 0; y < mConfig.height; ++y)
+		{
+			std::memcpy(
+				slot.bytes.data() + static_cast<std::size_t>(y) * destinationRowBytes,
+				source + static_cast<std::size_t>(y) * sourceRowBytes,
+				copyRowBytes);
+		}
 	}
 
 	slot.state = InputFrameSlotState::Ready;