diff --git a/Number_types/test/Number_types/CMakeLists.txt b/Number_types/test/Number_types/CMakeLists.txt
index 2866af70bbf..a506555c422 100644
--- a/Number_types/test/Number_types/CMakeLists.txt
+++ b/Number_types/test/Number_types/CMakeLists.txt
@@ -23,6 +23,7 @@ create_single_source_cgal_program("Gmpq.cpp")
 create_single_source_cgal_program("Gmpq_new.cpp")
 create_single_source_cgal_program("Gmpz.cpp")
 create_single_source_cgal_program("Gmpzf_new.cpp")
+create_single_source_cgal_program("Zp.cpp")
 create_single_source_cgal_program("int.cpp")
 create_single_source_cgal_program("Interval_nt.cpp")
 create_single_source_cgal_program("Interval_nt_nearest.cpp")
diff --git a/HDVF/test/HDVF/test_Zp.cpp b/Number_types/test/Number_types/Zp.cpp
similarity index 100%
rename from HDVF/test/HDVF/test_Zp.cpp
rename to Number_types/test/Number_types/Zp.cpp