diff --git a/runtime/memory_manager/graphics_allocation.h b/runtime/memory_manager/graphics_allocation.h
index c7fcc6a7e4..eb74ee9fad 100644
--- a/runtime/memory_manager/graphics_allocation.h
+++ b/runtime/memory_manager/graphics_allocation.h
@@ -32,7 +32,7 @@ enum class HeapIndex : uint32_t {
     HEAP_EXTERNAL_DEVICE_MEMORY = 2u,
     HEAP_EXTERNAL = 3u,
     HEAP_STANDARD,
-    HEAP_STANDARD64Kb,
+    HEAP_STANDARD64KB,
     HEAP_SVM,
     HEAP_LIMITED
 };
diff --git a/runtime/memory_manager/memory_manager.cpp b/runtime/memory_manager/memory_manager.cpp
index 37a037184f..31d25980b8 100644
--- a/runtime/memory_manager/memory_manager.cpp
+++ b/runtime/memory_manager/memory_manager.cpp
@@ -380,7 +380,7 @@ HeapIndex MemoryManager::selectHeap(const GraphicsAllocation *allocation, const
             return HeapIndex::HEAP_SVM;
         }
         if (allocation && allocation->gmm->gmmResourceInfo->is64KBPageSuitable()) {
-            return HeapIndex::HEAP_STANDARD64Kb;
+            return HeapIndex::HEAP_STANDARD64KB;
         }
         return HeapIndex::HEAP_STANDARD;
     }
diff --git a/runtime/os_interface/windows/wddm/wddm.cpp b/runtime/os_interface/windows/wddm/wddm.cpp
index 39cd4d689c..2972d956a0 100644
--- a/runtime/os_interface/windows/wddm/wddm.cpp
+++ b/runtime/os_interface/windows/wddm/wddm.cpp
@@ -331,7 +331,7 @@ bool Wddm::mapGpuVirtualAddressImpl(Gmm *gmm, D3DKMT_HANDLE handle, void *cpuPtr
         MapGPUVA.MinimumAddress = gfxPartition.Standard.Base;
         MapGPUVA.MaximumAddress = gfxPartition.Standard.Limit;
         break;
-    case HeapIndex::HEAP_STANDARD64Kb:
+    case HeapIndex::HEAP_STANDARD64KB:
         UNRECOVERABLE_IF(hardwareInfoTable[productFamily]->capabilityTable.gpuAddressSpace != MemoryConstants::max48BitAddress);
         MapGPUVA.MinimumAddress = gfxPartition.Standard64KB.Base;
         MapGPUVA.MaximumAddress = gfxPartition.Standard64KB.Limit;
diff --git a/unit_tests/memory_manager/memory_manager_tests.cpp b/unit_tests/memory_manager/memory_manager_tests.cpp
index 8c2308c0e8..852e0cd791 100644
--- a/unit_tests/memory_manager/memory_manager_tests.cpp
+++ b/unit_tests/memory_manager/memory_manager_tests.cpp
@@ -1663,7 +1663,7 @@ TEST(HeapSelectorTest, givenFullAddressSpaceWhenSelectingHeapForExternalAllocati
     if (platformDevices[0]->capabilityTable.gpuAddressSpace != MemoryConstants::max48BitAddress) {
         return;
     }
-    EXPECT_EQ(HeapIndex::HEAP_STANDARD64Kb, MemoryManager::selectHeap(&allocation, nullptr, *platformDevices[0]));
+    EXPECT_EQ(HeapIndex::HEAP_STANDARD64KB, MemoryManager::selectHeap(&allocation, nullptr, *platformDevices[0]));
 }
 
 TEST(HeapSelectorTest, givenFullAddressSpaceWhenSelectingHeapForExternalAllocationWithoutPtrAndResourceIsNot64KSuitableThenStandardHeapIsUsed) {