diff --git a/src/graphics/host_gpu/renderer/image/textureCommon.cpp b/src/graphics/host_gpu/renderer/image/textureCommon.cpp
index 87aec22b0..23be33316 100644
--- a/src/graphics/host_gpu/renderer/image/textureCommon.cpp
+++ b/src/graphics/host_gpu/renderer/image/textureCommon.cpp
@@ -22,6 +22,10 @@ struct RenderTargetFormatMapping {
 };
 
 constexpr RenderTargetFormatMapping kRenderTargetFormats[] = {
+    {Prospero::ChannelLayout::k8,
+     Prospero::ChannelType::kUInt,
+     Prospero::ChannelOrder::kStandard,
+     {vk::Format::eR8Uint, 1}},
     {Prospero::ChannelLayout::k8_8,
      Prospero::ChannelType::kUNorm,
      Prospero::ChannelOrder::kStandard,
diff --git a/tests/ShaderRecompilerComputeTests.cpp b/tests/ShaderRecompilerComputeTests.cpp
index ebb030b4c..01a5a13f1 100644
--- a/tests/ShaderRecompilerComputeTests.cpp
+++ b/tests/ShaderRecompilerComputeTests.cpp
@@ -15520,6 +15520,15 @@ void CheckEmbeddedFetchVertexOffset() {
 
 #if KYTY_PLATFORM == KYTY_PLATFORM_WINDOWS
 void CheckRenderTargetFormatContract() {
+	const auto r8_uint =
+	    TextureGetRenderTargetFormat(Prospero::GpuEnumValue(Prospero::ChannelLayout::k8),
+	                                 Prospero::GpuEnumValue(Prospero::ChannelType::kUInt),
+	                                 Prospero::GpuEnumValue(Prospero::ChannelOrder::kStandard));
+	Require("RenderTargetFormat", "R8 uint",
+	        r8_uint.format == vk::Format::eR8Uint && r8_uint.bytes_per_element == 1u &&
+	            r8_uint.export_mapping.IsIdentity(),
+	        "R8 uint render-target tuple was rejected");
+
 	const auto rgb565 = TextureGetRenderTargetFormat(16u, 0u, 0u);
 	Require("RenderTargetFormat", "RGB565 UNorm",
 	        rgb565.format == vk::Format::eB5G6R5UnormPack16 && rgb565.bytes_per_element == 2u &&