diff --git a/src/ipc/smooth_contact/primitives/edge2.cpp b/src/ipc/smooth_contact/primitives/edge2.cpp
index fd3870e02..60e8f52e4 100644
--- a/src/ipc/smooth_contact/primitives/edge2.cpp
+++ b/src/ipc/smooth_contact/primitives/edge2.cpp
@@ -13,11 +13,16 @@ Edge2::Edge2(
 {
     m_vertex_ids = { { mesh.edges()(id, 0), mesh.edges()(id, 1) } };
 
-    m_is_active = (mesh.is_orient_vertex(m_vertex_ids[0])
-                   && mesh.is_orient_vertex(m_vertex_ids[1]))
-        || Math<double>::cross2(
-               d, vertices.row(m_vertex_ids[1]) - vertices.row(m_vertex_ids[0]))
+    if (mesh.is_orient_vertex(m_vertex_ids[0])
+        && mesh.is_orient_vertex(m_vertex_ids[1])) {
+        m_is_active =
+            Math<double>::cross2(
+                d,
+                vertices.row(m_vertex_ids[1]) - vertices.row(m_vertex_ids[0]))
             > 0;
+    } else {
+        m_is_active = true;
+    }
 }
 
 int Edge2::n_vertices() const { return N_EDGE_NEIGHBORS_2D; }