1 files changed, 1 insertions, 1 deletions
diff --git a/src/animation/backend/animationutils.cpp b/src/animation/backend/animationutils.cpp
index a5656e230..7e21cba3a 100644
--- a/src/animation/backend/animationutils.cpp
+++ b/src/animation/backend/animationutils.cpp
@@ -277,7 +277,7 @@ ClipResults evaluateClipAtLocalTime(AnimationClip *clip, float localTime)
                         return quat;
                     };
 
-                    const int lowerKeyframeBound = channel.channelComponents[0].fcurve.lowerKeyframeBound(localTime);
+                    const int lowerKeyframeBound = std::max(0, channel.channelComponents[0].fcurve.lowerKeyframeBound(localTime));
                     const auto lowerQuat = quaternionFromChannel(lowerKeyframeBound);
                     const auto higherQuat = quaternionFromChannel(lowerKeyframeBound + 1);
                     auto cosHalfTheta = QQuaternion::dotProduct(lowerQuat, higherQuat);