diff --git a/hw/amdgpu/shader/include/amdgpu/shader/ConverterContext.hpp b/hw/amdgpu/shader/include/amdgpu/shader/ConverterContext.hpp
index 3313e7e08..ea2986be1 100644
--- a/hw/amdgpu/shader/include/amdgpu/shader/ConverterContext.hpp
+++ b/hw/amdgpu/shader/include/amdgpu/shader/ConverterContext.hpp
@@ -137,6 +137,9 @@ public:
   spirv::UIntType getUInt64Type() {
     return spirv::cast<spirv::UIntType>(getType(TypeId::UInt64));
   }
+  spirv::UIntType getUInt8Type() {
+    return spirv::cast<spirv::UIntType>(getType(TypeId::UInt8));
+  }
 
   spirv::VectorOfType<spirv::UIntType> getUint32x2Type() {
     return spirv::cast<spirv::VectorOfType<spirv::UIntType>>(
diff --git a/hw/amdgpu/shader/src/Fragment.cpp b/hw/amdgpu/shader/src/Fragment.cpp
index 907f5a2c9..e55e7e7e0 100644
--- a/hw/amdgpu/shader/src/Fragment.cpp
+++ b/hw/amdgpu/shader/src/Fragment.cpp
@@ -5312,6 +5312,9 @@ spirv::Value Fragment::createBitcast(spirv::Type to, spirv::Type from,
     return value;
   }
 
+  if (from == context->getUInt8Type())
+    value = builder.createUConvert(to, spirv::cast<spirv::UIntValue>(value));
+
   if (from == context->getFloat32Type()) {
     if (auto origValue = context->findFloat32Value(value)) {
       if (to == context->getUInt32Type()) {