diff --git a/Intersections_3/test/Intersections_3/call_test.cpp b/Intersections_3/test/Intersections_3/call_test.cpp
index 0e171600052..303078d0076 100644
--- a/Intersections_3/test/Intersections_3/call_test.cpp
+++ b/Intersections_3/test/Intersections_3/call_test.cpp
@@ -57,8 +57,8 @@ void call_do_intersect_with_kernel(const A& a, const B& b, const K&) {
 
 int main()
 {
-  CGAL::Interval_nt_advanced::Protector P;
-  CGAL_USE(P);
+  CGAL::Interval_nt_advanced::Protector p;
+  CGAL_USE(p);
   try {
     call_intersection_global(S(), S());
     call_intersection_global(S(), L());