diff --git a/lib/driver.ts b/lib/driver.ts
index 6fd7941..6ed6796 100644
--- a/lib/driver.ts
+++ b/lib/driver.ts
@@ -173,6 +173,9 @@ export class NovaWindowsDriver extends BaseDriver<NovaWindowsDriverConstraints,
             if (caps.app && caps.appTopLevelWindow) {
                 throw new errors.InvalidArgumentError('Invalid capabilities. Specify either app or appTopLevelWindow.');
             }
+            if (this.caps.shouldCloseApp === undefined) {
+                this.caps.shouldCloseApp = true; // set default value
+            }
 
             await this.startPowerShellSession();