diff --git a/Algebraic_kernel_d/test/Algebraic_kernel_d/Real_embeddable_traits_extension.cpp b/Algebraic_kernel_d/test/Algebraic_kernel_d/Real_embeddable_traits_extension.cpp
index 3a642f9c366..40bea31f5bc 100644
--- a/Algebraic_kernel_d/test/Algebraic_kernel_d/Real_embeddable_traits_extension.cpp
+++ b/Algebraic_kernel_d/test/Algebraic_kernel_d/Real_embeddable_traits_extension.cpp
@@ -26,6 +26,7 @@
 
 #include <CGAL/basic.h> 
 #include <CGAL/Algebraic_kernel_d/Real_embeddable_extension.h>
+#include <CGAL/Get_arithmetic_kernel.h>
 
 #include <CGAL/GMP_arithmetic_kernel.h>
 #include <CGAL/LEDA_arithmetic_kernel.h>