diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 5aa87ee..b06023b 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -69,6 +69,11 @@ add_executable(bnaddsub bnaddsub.c)
 target_link_libraries(bnaddsub ${OPENSSL_LIBS})
 add_test(bnaddsub bnaddsub)
 
+# bn_rand_interval
+add_executable(bn_rand_interval bn_rand_interval.c)
+target_link_libraries(bn_rand_interval ${OPENSSL_LIBS})
+add_test(bn_rand_interval bn_rand_interval)
+
 # bntest
 if(NOT BUILD_SHARED_LIBS)
 	add_executable(bntest bntest.c)
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 045e361..bbe071b 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -82,6 +82,11 @@ TESTS += bnaddsub
 check_PROGRAMS += bnaddsub
 bnaddsub_SOURCES = bnaddsub.c
 
+# bn_rand_interval
+TESTS += bn_rand_interval
+check_PROGRAMS += bn_rand_interval
+bn_rand_interval_SOURCES = bn_rand_interval.c
+
 # bntest
 TESTS += bntest
 bntest_CPPFLAGS = $(AM_CPPFLAGS) -ULIBRESSL_INTERNAL