diff --git a/orangecontrib/survival_analysis/widgets/owkaplanmeier.py b/orangecontrib/survival_analysis/widgets/owkaplanmeier.py
index f68f417..04f474c 100644
--- a/orangecontrib/survival_analysis/widgets/owkaplanmeier.py
+++ b/orangecontrib/survival_analysis/widgets/owkaplanmeier.py
@@ -183,8 +183,6 @@ def mouseMovedEvent(self, ev):
         y_pixel = self.HIGHLIGHT_RADIUS * y_pixel_size
 
         for curve_id, curve in self.curves.items():
-            if mouse_x_pos < curve.x[0] or mouse_x_pos > curve.x[-1]:
-                return
 
             points = np.column_stack((curve.x, curve.y))
             line_segments = np.column_stack((points[:-1, :], points[1:, :]))