diff --git a/src/Mod/Draft/DraftGeomUtils.py b/src/Mod/Draft/DraftGeomUtils.py
index f7ee879cfe..73a6c6288e 100644
--- a/src/Mod/Draft/DraftGeomUtils.py
+++ b/src/Mod/Draft/DraftGeomUtils.py
@@ -83,6 +83,7 @@ from draftgeoutils.edges import (findEdge,
                                  orientEdge,
                                  isSameLine,
                                  isLine,
+                                 is_line,
                                  invert,
                                  findMidpoint,
                                  getTangent)
diff --git a/src/Mod/Draft/draftgeoutils/edges.py b/src/Mod/Draft/draftgeoutils/edges.py
index df50f0d4a0..67a6a33a2e 100644
--- a/src/Mod/Draft/draftgeoutils/edges.py
+++ b/src/Mod/Draft/draftgeoutils/edges.py
@@ -127,7 +127,7 @@ def is_line(bspline):
     start_point = bspline.StartPoint
     end_point = bspline.EndPoint
     dist_start_end = end_point.distanceToPoint(start_point)
-    if (dist_start_end == bspline.length()) < 1e-7:
+    if abs(bspline.length() - dist_start_end) < 1e-7:
         return True
 
     return False