diff --git a/Curved_kernel/demo/Curved_kernel/demo_line_circle.cpp b/Curved_kernel/demo/Curved_kernel/demo_line_circle.cpp
index 3ca8767a48b..43cdb4c12cf 100644
--- a/Curved_kernel/demo/Curved_kernel/demo_line_circle.cpp
+++ b/Curved_kernel/demo/Curved_kernel/demo_line_circle.cpp
@@ -78,7 +78,7 @@ int main() {
 #include <CGAL/Arr_naive_point_location.h>
 #include <CGAL/IO/Dxf_variant_reader.h>
 
-typedef CGAL::Gmpq                                          NT; 
+typedef CGAL::Quotient<CGAL::MP_Float>                       NT; 
 //typedef CGAL::Quotient<CGAL::MP_Float> NT;
 //typedef CGAL::Lazy_exact_nt<CGAL::Gmpq>  NT;