diff --git a/Packages/Triangulation_3/changes.txt b/Packages/Triangulation_3/changes.txt
index b6c9328ac49..30829cdee64 100644
--- a/Packages/Triangulation_3/changes.txt
+++ b/Packages/Triangulation_3/changes.txt
@@ -1,5 +1,6 @@
 Version 1.56 (?? May 01)
 - Document the hierarchy.
+- Use MP_Float.
 
 Version 1.55 (29 May 01)
 - warning bcc fixed (unused variable)
diff --git a/Packages/Triangulation_3/test/Triangulation_3/include/CGAL/_test_types.h b/Packages/Triangulation_3/test/Triangulation_3/include/CGAL/_test_types.h
index f0af3646099..ce95b77086b 100644
--- a/Packages/Triangulation_3/test/Triangulation_3/include/CGAL/_test_types.h
+++ b/Packages/Triangulation_3/test/Triangulation_3/include/CGAL/_test_types.h
@@ -8,14 +8,12 @@
 #ifdef CGAL_USE_LEDA
 #include <CGAL/leda_integer.h>
 typedef leda_integer my_NT;
-#else
-#ifdef CGAL_USE_GMP
+#elif defined CGAL_USE_GMP
 #include <CGAL/Gmpz.h>
 typedef CGAL::Gmpz my_NT;
 #else
-#include <CGAL/double.h>
-typedef double my_NT;
-#endif
+#include <CGAL/MP_Float.h>
+typedef CGAL::MP_Float my_NT;
 #endif
 
 #include <CGAL/Cartesian.h>