diff --git a/libs/kimath/src/geometry/seg.cpp b/libs/kimath/src/geometry/seg.cpp
index 753b914920..4eb287c679 100644
--- a/libs/kimath/src/geometry/seg.cpp
+++ b/libs/kimath/src/geometry/seg.cpp
@@ -361,7 +361,7 @@ bool SEG::Collide( const SEG& aSeg, int aClearance, int* aActual ) const
 
 bool SEG::Contains( const VECTOR2I& aP ) const
 {
-    return Distance( aP ) <= 1;
+    return SquaredDistance( aP ) <= 3;
 }