diff --git a/src/__private__/__edges_from.scad b/src/__private__/__edges_from.scad
index d19d13a2..4ea92ced 100644
--- a/src/__private__/__edges_from.scad
+++ b/src/__private__/__edges_from.scad
@@ -1,4 +1,4 @@
-function __edges_from(pts, closed = true) = 
+function __edges_from(pts, closed = false) = 
     let(leng = len(pts))
     concat(
         [for(i = [0:leng - 2]) [pts[i], pts[i + 1]]], 
diff --git a/src/bijection_offset.scad b/src/bijection_offset.scad
index 9f1be251..ce51b3a0 100644
--- a/src/bijection_offset.scad
+++ b/src/bijection_offset.scad
@@ -44,7 +44,7 @@ function _bijection__bijection_offset_edges(edges, d) =
 
 function bijection_offset(pts, d) = 
     let(
-        es = __edges_from(pts), 
+        es = __edges_from(pts, true), 
         offset_es = _bijection__bijection_offset_edges(es, d),
         leng = len(offset_es),
         last_p = __line_intersection(offset_es[leng - 1], offset_es[0])
diff --git a/src/in_shape.scad b/src/in_shape.scad
index acce8385..76df1881 100644
--- a/src/in_shape.scad
+++ b/src/in_shape.scad
@@ -39,7 +39,7 @@ function _in_shape_sub(shapt_pts, leng, pt, cond, i, j) =
 function in_shape(shapt_pts, pt, include_edge = false, epsilon = 0.0001) = 
     let(
         leng = len(shapt_pts),
-        edges = __edges_from(points)
+        edges = __edges_from(points, true)
     )
     _in_shape_in_any_edges(edges, pt, epsilon) ? include_edge : 
     _in_shape_sub(shapt_pts, leng, pt, false, leng - 1, 0);
\ No newline at end of file