diff --git a/src/slic3r/GUI/Gizmos/GLGizmoAdvancedCut.cpp b/src/slic3r/GUI/Gizmos/GLGizmoAdvancedCut.cpp
index a697f5960..641e787bc 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoAdvancedCut.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoAdvancedCut.cpp
@@ -2000,6 +2000,7 @@ void GLGizmoAdvancedCut::render_cut_plane_input_window(float x, float y, float b
     m_imgui->disabled_end();
     ImGui::SameLine();
     const bool reset_clicked = m_imgui->button(_L("Reset"));
+    ImGui::PopStyleVar(2);
     if (reset_clicked) { reset_all(); }
 }
 
diff --git a/src/slic3r/GUI/MeshUtils.cpp b/src/slic3r/GUI/MeshUtils.cpp
index 30f47eba0..9336e27a6 100644
--- a/src/slic3r/GUI/MeshUtils.cpp
+++ b/src/slic3r/GUI/MeshUtils.cpp
@@ -140,11 +140,11 @@ bool MeshClipper::has_valid_contour() const
 }
 
 std::vector<Vec3d> MeshClipper::point_per_contour() const {
-    assert(m_result);
     std::vector<Vec3d> out;
     if (m_result == std::nullopt) {
         return out;
     }
+    assert(m_result);
     for (const CutIsland &isl : m_result->cut_islands) {
         assert(isl.expoly.contour.size() > 2);
         // Now return a point lying inside the contour but not in a hole.