diff --git a/src/graphics/host_gpu/renderer/image/imageInfo.h b/src/graphics/host_gpu/renderer/image/imageInfo.h
index 77e71f4f1..a9ab0fc80 100644
--- a/src/graphics/host_gpu/renderer/image/imageInfo.h
+++ b/src/graphics/host_gpu/renderer/image/imageInfo.h
@@ -431,6 +431,10 @@ IsSupportedDisplayRenderTargetTileMode(Prospero::TileMode tile_mode) noexcept {
 		return encoded <= 0.04045f ? encoded / 12.92f : std::pow((encoded + 0.055f) / 1.055f, 2.4f);
 	};
 	switch (format) {
+		// A single-plane float target carries its clear as raw float bits, the same encoding the
+		// depth decoder below uses. Without this the clear is discarded and the target keeps stale
+		// contents.
+		case vk::Format::eR32Sfloat: next.float32[0] = std::bit_cast<float>(packed); break;
 		case vk::Format::eR32Uint: next.uint32[0] = packed; break;
 		case vk::Format::eR32Sint: next.int32[0] = static_cast<int32_t>(packed); break;
 		case vk::Format::eR8G8B8A8Srgb: