diff --git a/src/vs/workbench/contrib/tasks/browser/terminalTaskSystem.ts b/src/vs/workbench/contrib/tasks/browser/terminalTaskSystem.ts
index 1a6926f25e962..3135535e4ae73 100644
--- a/src/vs/workbench/contrib/tasks/browser/terminalTaskSystem.ts
+++ b/src/vs/workbench/contrib/tasks/browser/terminalTaskSystem.ts
@@ -1443,9 +1443,9 @@ export class TerminalTaskSystem extends Disposable implements ITaskSystem {
 		let commandLine = result.join(' ');
 		// There are special rules quoted command line in cmd.exe
 		if (platform === Platform.Platform.Windows) {
-			if (shellExecutable === 'cmd' && commandQuoted && argQuoted) {
+			if (basename === 'cmd' && commandQuoted && argQuoted) {
 				commandLine = '"' + commandLine + '"';
-			} else if ((shellExecutable === 'powershell' || shellExecutable === 'pwsh') && commandQuoted) {
+			} else if ((basename === 'powershell' || basename === 'pwsh') && commandQuoted) {
 				commandLine = '& ' + commandLine;
 			}
 		}