diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index c76b948..5f9e32f 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -429,10 +429,10 @@ add_executable(rc2test rc2test.c)
 target_link_libraries(rc2test ${OPENSSL_TEST_LIBS})
 add_test(rc2test rc2test)
 
-# rc4test
-add_executable(rc4test rc4test.c)
-target_link_libraries(rc4test ${OPENSSL_TEST_LIBS})
-add_test(rc4test rc4test)
+# rc4_test
+add_executable(rc4_test rc4_test.c)
+target_link_libraries(rc4_test ${OPENSSL_TEST_LIBS})
+add_test(rc4_test rc4_test)
 
 # recordtest
 add_executable(recordtest recordtest.c)
diff --git a/tests/Makefile.am b/tests/Makefile.am
index a277dd9..24b4658 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -436,10 +436,10 @@ TESTS += rc2test
 check_PROGRAMS += rc2test
 rc2test_SOURCES = rc2test.c
 
-# rc4test
-TESTS += rc4test
-check_PROGRAMS += rc4test
-rc4test_SOURCES = rc4test.c
+# rc4_test
+TESTS += rc4_test
+check_PROGRAMS += rc4_test
+rc4_test_SOURCES = rc4_test.c
 
 # recordtest
 TESTS += recordtest