diff --git a/projects/clr/hipamd/src/hip_memory.cpp b/projects/clr/hipamd/src/hip_memory.cpp
index dddd54e448..bd553f4678 100644
--- a/projects/clr/hipamd/src/hip_memory.cpp
+++ b/projects/clr/hipamd/src/hip_memory.cpp
@@ -732,7 +732,7 @@ hipError_t hipExtMallocWithFlags(void** ptr, size_t sizeBytes, unsigned int flag
   } else if (flags == hipDeviceMallocFinegrained) {
     ihipFlags = CL_MEM_SVM_ATOMICS;
   } else if (flags == hipDeviceMallocUncached) {
-    ihipFlags = CL_MEM_SVM_ATOMICS | ROCCLR_MEM_HSA_UNCACHED;
+    ihipFlags = ROCCLR_MEM_HSA_UNCACHED;
   } else if (flags == hipDeviceMallocContiguous) {
     ihipFlags = ROCCLR_MEM_HSA_CONTIGUOUS | ROCCLR_MEM_HSA_UNCACHED;
   } else if (flags == hipMallocSignalMemory) {
diff --git a/projects/clr/rocclr/device/device.hpp b/projects/clr/rocclr/device/device.hpp
index 254ef55e69..6310094ab4 100644
--- a/projects/clr/rocclr/device/device.hpp
+++ b/projects/clr/rocclr/device/device.hpp
@@ -1814,7 +1814,8 @@ class Device : public RuntimeObject {
       uint32_t pseudo_fine_grain_ : 1; //!< True if pseudo fine grain memory is required
       uint32_t contiguous_ : 1;        //!< True if contiguous memory allocation is required
       uint32_t executable_ : 1;        //!< True if executable memory is required
-      uint32_t reserved_ : 28;         //!< Reserved for future use
+      uint32_t uncached_ : 1;          //!< True if uncached memory is required
+      uint32_t reserved_ : 27;         //!< Reserved for future use
     };
     uint32_t data_;
   } AllocationFlags;
diff --git a/projects/clr/rocclr/device/rocm/rocdevice.cpp b/projects/clr/rocclr/device/rocm/rocdevice.cpp
index f38afa17d4..5718a7d6d6 100644
--- a/projects/clr/rocclr/device/rocm/rocdevice.cpp
+++ b/projects/clr/rocclr/device/rocm/rocdevice.cpp
@@ -2176,6 +2176,9 @@ void* Device::deviceLocalAlloc(size_t size, const AllocationFlags& flags) const
   if (flags.executable_) {
     hsa_mem_flags |= HSA_AMD_MEMORY_POOL_EXECUTABLE_FLAG;
   }
+  if (flags.uncached_ && isa().versionMajor() == 12) {
+    hsa_mem_flags |= HSA_AMD_MEMORY_POOL_UNCACHED_FLAG;
+  }
 
   void* ptr = nullptr;
   hsa_status_t stat = Hsa::memory_pool_allocate(pool, size, hsa_mem_flags, &ptr);
diff --git a/projects/clr/rocclr/device/rocm/rocmemory.cpp b/projects/clr/rocclr/device/rocm/rocmemory.cpp
index 4cfaabfa8c..6ce4f820d6 100644
--- a/projects/clr/rocclr/device/rocm/rocmemory.cpp
+++ b/projects/clr/rocclr/device/rocm/rocmemory.cpp
@@ -852,6 +852,7 @@ bool Buffer::create(bool alloc_local) {
         flags.atomics_ = (memFlags & CL_MEM_SVM_ATOMICS) != 0;
         flags.pseudo_fine_grain_ = (memFlags & ROCCLR_MEM_HSA_UNCACHED) != 0;
         flags.contiguous_ = (memFlags & ROCCLR_MEM_HSA_CONTIGUOUS) != 0;
+        flags.uncached_ = (memFlags & ROCCLR_MEM_HSA_UNCACHED) != 0;
         deviceMemory_ = dev().deviceLocalAlloc(size(), flags);
       }
       owner()->setSvmPtr(deviceMemory_);