diff --git a/libkwineffects/kwinanimationeffect.cpp b/libkwineffects/kwinanimationeffect.cpp
index 9034036d4..80a90ec62 100644
--- a/libkwineffects/kwinanimationeffect.cpp
+++ b/libkwineffects/kwinanimationeffect.cpp
@@ -78,7 +78,7 @@ void AnimationEffect::init()
 bool AnimationEffect::isActive() const
 {
     Q_D(const AnimationEffect);
-    return !d->m_animations.isEmpty();
+    return !d->m_animations.isEmpty() && !effects->isScreenLocked();
 }