diff --git a/src/js/power-mode.js b/src/js/power-mode.js
index f2d0d06b6..6c45e095f 100644
--- a/src/js/power-mode.js
+++ b/src/js/power-mode.js
@@ -159,7 +159,10 @@ export function reset(immediate = false) {
 }
 
 function startRender() {
-  if (!ctx.rendering) render();
+  if (!ctx.rendering) {
+    ctx.lastFrame = Date.now();
+    render();
+  }
 }
 
 /**