diff --git a/src/ol/interaction/Snap.js b/src/ol/interaction/Snap.js
index a4fd3193c1..165cba6e83 100644
--- a/src/ol/interaction/Snap.js
+++ b/src/ol/interaction/Snap.js
@@ -625,7 +625,7 @@ class Snap extends PointerInteraction {
         feature: feature,
         segment: [point],
       };
-      this.rBush_.insert(geometry.getExtent(), segmentData);
+      this.rBush_.insert(boundingExtent(segmentData.segment), segmentData);
     });
   }