diff --git a/src/dawn_native/d3d12/CommandBufferD3D12.cpp b/src/dawn_native/d3d12/CommandBufferD3D12.cpp
index 8678ecd082..e041f8c774 100644
--- a/src/dawn_native/d3d12/CommandBufferD3D12.cpp
+++ b/src/dawn_native/d3d12/CommandBufferD3D12.cpp
@@ -816,7 +816,7 @@ namespace dawn_native { namespace d3d12 {
                     InsertDebugMarkerCmd* cmd = mCommands.NextCommand<InsertDebugMarkerCmd>();
                     const char* label = mCommands.NextData<char>(cmd->length + 1);
 
-                    if (ToBackend(GetDevice())->GetFunctions()->isPIXEventRuntimeLoaded()) {
+                    if (ToBackend(GetDevice())->GetFunctions()->IsPIXEventRuntimeLoaded()) {
                         // PIX color is 1 byte per channel in ARGB format
                         constexpr uint64_t kPIXBlackColor = 0xff000000;
                         ToBackend(GetDevice())
@@ -828,7 +828,7 @@ namespace dawn_native { namespace d3d12 {
                 case Command::PopDebugGroup: {
                     mCommands.NextCommand<PopDebugGroupCmd>();
 
-                    if (ToBackend(GetDevice())->GetFunctions()->isPIXEventRuntimeLoaded()) {
+                    if (ToBackend(GetDevice())->GetFunctions()->IsPIXEventRuntimeLoaded()) {
                         ToBackend(GetDevice())
                             ->GetFunctions()
                             ->pixEndEventOnCommandList(commandList.Get());
@@ -839,7 +839,7 @@ namespace dawn_native { namespace d3d12 {
                     PushDebugGroupCmd* cmd = mCommands.NextCommand<PushDebugGroupCmd>();
                     const char* label = mCommands.NextData<char>(cmd->length + 1);
 
-                    if (ToBackend(GetDevice())->GetFunctions()->isPIXEventRuntimeLoaded()) {
+                    if (ToBackend(GetDevice())->GetFunctions()->IsPIXEventRuntimeLoaded()) {
                         // PIX color is 1 byte per channel in ARGB format
                         constexpr uint64_t kPIXBlackColor = 0xff000000;
                         ToBackend(GetDevice())
@@ -1018,7 +1018,7 @@ namespace dawn_native { namespace d3d12 {
                     InsertDebugMarkerCmd* cmd = mCommands.NextCommand<InsertDebugMarkerCmd>();
                     const char* label = mCommands.NextData<char>(cmd->length + 1);
 
-                    if (ToBackend(GetDevice())->GetFunctions()->isPIXEventRuntimeLoaded()) {
+                    if (ToBackend(GetDevice())->GetFunctions()->IsPIXEventRuntimeLoaded()) {
                         // PIX color is 1 byte per channel in ARGB format
                         constexpr uint64_t kPIXBlackColor = 0xff000000;
                         ToBackend(GetDevice())
@@ -1030,7 +1030,7 @@ namespace dawn_native { namespace d3d12 {
                 case Command::PopDebugGroup: {
                     mCommands.NextCommand<PopDebugGroupCmd>();
 
-                    if (ToBackend(GetDevice())->GetFunctions()->isPIXEventRuntimeLoaded()) {
+                    if (ToBackend(GetDevice())->GetFunctions()->IsPIXEventRuntimeLoaded()) {
                         ToBackend(GetDevice())
                             ->GetFunctions()
                             ->pixEndEventOnCommandList(commandList.Get());
@@ -1041,7 +1041,7 @@ namespace dawn_native { namespace d3d12 {
                     PushDebugGroupCmd* cmd = mCommands.NextCommand<PushDebugGroupCmd>();
                     const char* label = mCommands.NextData<char>(cmd->length + 1);
 
-                    if (ToBackend(GetDevice())->GetFunctions()->isPIXEventRuntimeLoaded()) {
+                    if (ToBackend(GetDevice())->GetFunctions()->IsPIXEventRuntimeLoaded()) {
                         // PIX color is 1 byte per channel in ARGB format
                         constexpr uint64_t kPIXBlackColor = 0xff000000;
                         ToBackend(GetDevice())
diff --git a/src/dawn_native/d3d12/PlatformFunctions.cpp b/src/dawn_native/d3d12/PlatformFunctions.cpp
index d9137365f6..b3354b182f 100644
--- a/src/dawn_native/d3d12/PlatformFunctions.cpp
+++ b/src/dawn_native/d3d12/PlatformFunctions.cpp
@@ -71,7 +71,7 @@ namespace dawn_native { namespace d3d12 {
         return {};
     }
 
-    bool PlatformFunctions::isPIXEventRuntimeLoaded() const {
+    bool PlatformFunctions::IsPIXEventRuntimeLoaded() const {
         return mPIXEventRuntimeLib.Valid();
     }
 
diff --git a/src/dawn_native/d3d12/PlatformFunctions.h b/src/dawn_native/d3d12/PlatformFunctions.h
index ec51ba18c5..f367bfce81 100644
--- a/src/dawn_native/d3d12/PlatformFunctions.h
+++ b/src/dawn_native/d3d12/PlatformFunctions.h
@@ -35,7 +35,7 @@ namespace dawn_native { namespace d3d12 {
         ~PlatformFunctions();
 
         MaybeError LoadFunctions();
-        bool isPIXEventRuntimeLoaded() const;
+        bool IsPIXEventRuntimeLoaded() const;
 
         // Functions from d3d12.dll
         PFN_D3D12_CREATE_DEVICE d3d12CreateDevice = nullptr;