diff --git a/libsrc/occ/occ_edge.cpp b/libsrc/occ/occ_edge.cpp
index f20389b0..901417bc 100644
--- a/libsrc/occ/occ_edge.cpp
+++ b/libsrc/occ/occ_edge.cpp
@@ -69,7 +69,7 @@ namespace netgen
         GeomAPI_ProjectPointOnCurve proj(pnt, curve);
         pnt = proj.NearestPoint();
         if(gi)
-            gi->dist = proj.LowerDistanceParameter();
+            gi->dist = (proj.LowerDistanceParameter() - s0)/(s1-s0);
         p = occ2ng(pnt);
     }