1 files changed, 11 insertions, 2 deletions
diff --git a/src/curveeditor/animationcurve.cpp b/src/curveeditor/animationcurve.cpp
index acb64ce..8e2d522 100644
--- a/src/curveeditor/animationcurve.cpp
+++ b/src/curveeditor/animationcurve.cpp
@@ -39,7 +39,8 @@ AnimationCurve::AnimationCurve(const std::vector<Keyframe> &frames)
     , m_minY(std::numeric_limits<double>::max())
     , m_maxY(std::numeric_limits<double>::lowest())
 {
-    if (m_frames.size() >= 2) {
+    if (isValid()) {
+
         for (auto e : extrema()) {
 
             if (m_minY > e.y())
@@ -48,12 +49,20 @@ AnimationCurve::AnimationCurve(const std::vector<Keyframe> &frames)
             if (m_maxY < e.y())
                 m_maxY = e.y();
         }
+
+        for (auto &frame : qAsConst(m_frames)) {
+            if (frame.position().y() < m_minY)
+                m_minY = frame.position().y();
+
+            if (frame.position().y() > m_maxY)
+                m_maxY = frame.position().y();
+        }
     }
 }
 
 bool AnimationCurve::isValid() const
 {
-    return !m_frames.empty();
+    return m_frames.size() >= 2;
 }
 
 double AnimationCurve::minimumTime() const