diff --git a/docs/workflow/building/coreclr/wasm.md b/docs/workflow/building/coreclr/wasm.md
index 40c80ef4f76614..a4310bc70dd1c9 100644
--- a/docs/workflow/building/coreclr/wasm.md
+++ b/docs/workflow/building/coreclr/wasm.md
@@ -71,7 +71,7 @@ In script below please replace `/path/to/runtime/` by a **absolute unix path** t
 cp ./artifacts/bin/microsoft.netcore.app.runtime.browser-wasm/Debug/runtimes/browser-wasm/lib/net11.0/*.dll ./artifacts/bin/coreclr/browser.wasm.Debug/IL
 cp helloworld.dll ./artifacts/bin/coreclr/browser.wasm.Debug/IL
 cd ./artifacts/bin/coreclr/browser.wasm.Debug/
-node ./corerun.js -c /path/to/runtime/artifacts/bin/coreclr/browser.wasm.Debug/IL /path/to/runtime/artifacts/bin/coreclr/browser.wasm.Debug/IL/helloworld.dll
+node --experimental-wasm-exnref ./corerun.js -c /path/to/runtime/artifacts/bin/coreclr/browser.wasm.Debug/IL /path/to/runtime/artifacts/bin/coreclr/browser.wasm.Debug/IL/helloworld.dll
 ```
 
 ### Console Testing with corehost
@@ -82,7 +82,7 @@ You can also run the corehost directly in Node.js:
 cp ./artifacts/bin/microsoft.netcore.app.runtime.browser-wasm/Debug/runtimes/browser-wasm/lib/net11.0/*.dll ./artifacts/bin/coreclr/browser.wasm.Debug/corehost
 cp helloworld.dll ./artifacts/bin/coreclr/browser.wasm.Debug/corehost
 cd ./artifacts/bin/coreclr/browser.wasm.Debug/corehost
-node ./main.mjs
+node --experimental-wasm-exnref ./main.mjs
 ```
 
 ## Debugging
diff --git a/src/mono/sample/wasm/Directory.Build.targets b/src/mono/sample/wasm/Directory.Build.targets
index 3d837180021724..32faa65207f2a2 100644
--- a/src/mono/sample/wasm/Directory.Build.targets
+++ b/src/mono/sample/wasm/Directory.Build.targets
@@ -99,10 +99,10 @@
     <Exec WorkingDirectory="bin/publish/wwwroot" Command="v8 $(_WasmMainJSFileName) $(Args)" IgnoreExitCode="true" />
   </Target>
   <Target Name="RunSampleWithNode" DependsOnTargets="BuildSampleInTree;_ComputeMainJSFileName">
-    <Exec WorkingDirectory="bin/publish/wwwroot" Command="node $(_WasmMainJSFileName) $(Args)" IgnoreExitCode="true" />
+    <Exec WorkingDirectory="bin/publish/wwwroot" Command="node --experimental-wasm-exnref $(_WasmMainJSFileName) $(Args)" IgnoreExitCode="true" />
   </Target>
   <Target Name="DebugSampleWithNode" DependsOnTargets="BuildSampleInTree;_ComputeMainJSFileName">
-    <Exec WorkingDirectory="bin/publish/wwwroot" Command="node --inspect=9222 $(_WasmMainJSFileName) $(Args)" IgnoreExitCode="true" />
+    <Exec WorkingDirectory="bin/publish/wwwroot" Command="node --experimental-wasm-exnref --inspect=9222 $(_WasmMainJSFileName) $(Args)" IgnoreExitCode="true" />
   </Target>
   <Target Name="CheckServe">
     <Exec Command="dotnet tool install -g dotnet-serve" IgnoreExitCode="true" />
diff --git a/src/mono/sample/wasm/wasm.mk b/src/mono/sample/wasm/wasm.mk
index 22db9a0d89fa9e..378685358298bd 100644
--- a/src/mono/sample/wasm/wasm.mk
+++ b/src/mono/sample/wasm/wasm.mk
@@ -45,7 +45,7 @@ run-console:
 	cd bin/$(CONFIG)/wwwroot && $(V8_PATH) --stack-trace-limit=1000 --single-threaded $(MAIN_JS) -- $(ARGS)
 
 run-console-node:
-	cd bin/$(CONFIG)/wwwroot && node --stack-trace-limit=1000 --single-threaded $(MAIN_JS) $(ARGS)
+	cd bin/$(CONFIG)/wwwroot && node --experimental-wasm-exnref --stack-trace-limit=1000 --single-threaded $(MAIN_JS) $(ARGS)
 
 debug-console-node:
-	cd bin/$(CONFIG)/wwwroot && node --inspect=9222 --stack-trace-limit=1000 --single-threaded $(MAIN_JS) $(ARGS)
\ No newline at end of file
+	cd bin/$(CONFIG)/wwwroot && node --experimental-wasm-exnref --inspect=9222 --stack-trace-limit=1000 --single-threaded $(MAIN_JS) $(ARGS)
\ No newline at end of file
diff --git a/src/tests/Common/CLRTest.Execute.Bash.targets b/src/tests/Common/CLRTest.Execute.Bash.targets
index 9a40d4d9b2aaaf..be824d9285214a 100644
--- a/src/tests/Common/CLRTest.Execute.Bash.targets
+++ b/src/tests/Common/CLRTest.Execute.Bash.targets
@@ -483,7 +483,7 @@ else
     echo CLRTestExecutionArguments: ${CLRTestExecutionArguments[@]}
     echo node version: `node -v`
     echo Timeout in ms: $__TestTimeout
-    cmd=( node --stack-size=8192 "${CORE_ROOT}/corerun.js" -c "${CORE_ROOT}" "${PWD}/${ExePath}" "${CLRTestExecutionArguments[@]}" )
+    cmd=( node --experimental-wasm-exnref --stack-size=8192 "${CORE_ROOT}/corerun.js" -c "${CORE_ROOT}" "${PWD}/${ExePath}" "${CLRTestExecutionArguments[@]}" )
     echo Running: "${cmd[@]}"
     run_with_timeout $__TestTimeout "${cmd[@]}"
 fi
diff --git a/src/tests/Common/CLRTest.Execute.Batch.targets b/src/tests/Common/CLRTest.Execute.Batch.targets
index f193266a921e2c..920f29593849eb 100644
--- a/src/tests/Common/CLRTest.Execute.Batch.targets
+++ b/src/tests/Common/CLRTest.Execute.Batch.targets
@@ -364,7 +364,7 @@ IF NOT DEFINED RunWithNodeJS (
     ECHO CLRTestExecutionArguments: %CLRTestExecutionArguments%
     ECHO Timeout in ms: !__TestTimeout!
     
-    set "__RunCmd=node --stack-size=8192 "!__CoreRootWin!\corerun.js" -c "!__CoreRootUnix!" "!__ExePathUnix!" %CLRTestExecutionArguments%"
+    set "__RunCmd=node --experimental-wasm-exnref --stack-size=8192 "!__CoreRootWin!\corerun.js" -c "!__CoreRootUnix!" "!__ExePathUnix!" %CLRTestExecutionArguments%"
     ECHO Running: !__RunCmd!
     call :RunWithTimeout !__TestTimeout!
     set CLRTestExitCode=!ERRORLEVEL!