diff --git a/packages/core/src/shared/sam/debugger/csharpSamDebug.ts b/packages/core/src/shared/sam/debugger/csharpSamDebug.ts
index 06a04b08db..0c73cc830f 100644
--- a/packages/core/src/shared/sam/debugger/csharpSamDebug.ts
+++ b/packages/core/src/shared/sam/debugger/csharpSamDebug.ts
@@ -77,9 +77,10 @@ export async function invokeCsharpLambda(ctx: ExtContext, config: SamLaunchReque
     config.samLocalInvokeCommand = new DefaultSamLocalInvokeCommand([waitForDebuggerMessages.DOTNET])
     // eslint-disable-next-line @typescript-eslint/unbound-method
     config.onWillAttachDebugger = waitForPort
+    const platformArchitecture = os.arch()
 
     if (!config.noDebug) {
-        if (config.architecture === 'arm64') {
+        if ([config.architecture, platformArchitecture].includes('arm64')) {
             void vscode.window.showWarningMessage(
                 localize(
                     'AWS.sam.noArm.dotnet.debug',