diff --git a/proposals/plane-detection.html b/proposals/plane-detection.html
index e1a941a..a8ad8b3 100644
--- a/proposals/plane-detection.html
+++ b/proposals/plane-detection.html
@@ -251,7 +251,8 @@
         xrButton.setSession(null);
 
         renderer.setAnimationLoop(null);
-        renderer.xr.setSession(null)
+        renderer.xr.setSession(null);
+        launchedCapture = false;
       }
 
       function onWindowResize() {