diff --git a/effects/startupfeedback/startupfeedback.cpp b/effects/startupfeedback/startupfeedback.cpp
index d1b3ad5cd9..722a1324ec 100644
--- a/effects/startupfeedback/startupfeedback.cpp
+++ b/effects/startupfeedback/startupfeedback.cpp
@@ -150,11 +150,11 @@ void StartupFeedbackEffect::prePaintScreen(ScreenPrePaintData& data, int time)
         switch(m_type) {
         case BouncingFeedback:
             m_progress = (m_progress + time) % BOUNCE_DURATION;
-            m_frame = qRound((qreal)m_progress / (qreal)BOUNCE_FRAME_DURATION);
+            m_frame = qRound((qreal)m_progress / (qreal)BOUNCE_FRAME_DURATION) % BOUNCE_FRAMES;;
             break;
         case BlinkingFeedback:
             m_progress = (m_progress + time) % BLINKING_DURATION;
-            m_frame = qRound((qreal)m_progress / (qreal)BLINKING_FRAME_DURATION);
+            m_frame = qRound((qreal)m_progress / (qreal)BLINKING_FRAME_DURATION) % BLINKING_FRAMES;
             break;
         default:
             break; // nothing