diff --git a/hash/test/link_ext_test.cpp b/hash/test/link_ext_test.cpp
index f0fd492..d113aa8 100644
--- a/hash/test/link_ext_test.cpp
+++ b/hash/test/link_ext_test.cpp
@@ -6,12 +6,13 @@
 
 #define HASH_NAMESPACE boost
 #include <boost/functional/hash.hpp>
+#include <boost/detail/lightweight_test.hpp>
 #include <vector>
 
 int f(std::size_t hash1, int* x1) {
     // Check that HASH_NAMESPACE::hash<int*> works in both files.
     HASH_NAMESPACE::hash<int*> ptr_hasher;
-    assert(hash1 == ptr_hasher(x1));
+    BOOST_TEST(hash1 == ptr_hasher(x1));
 
     // Check that std::vector<std::size_t> is avaiable in this file.
     std::vector<std::size_t> x;
diff --git a/hash/test/link_no_ext_test.cpp b/hash/test/link_no_ext_test.cpp
index d4bbba4..10583b3 100644
--- a/hash/test/link_no_ext_test.cpp
+++ b/hash/test/link_no_ext_test.cpp
@@ -7,11 +7,13 @@
 #define HASH_NAMESPACE boost
 #define BOOST_HASH_NO_EXTENSIONS
 #include <boost/functional/hash.hpp>
+#include <boost/detail/lightweight_test.hpp>
 
 extern int f(std::size_t, int*);
 
 int main() {
     HASH_NAMESPACE::hash<int*> ptr_hasher;
     int x = 55;
-    return f(ptr_hasher(&x), &x);
+    BOOST_TEST(!f(ptr_hasher(&x), &x));
+    return boost::report_errors();
 }