diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index a5213973..cc8abce1 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -192,7 +192,7 @@ set(TEST_JCONF_LIBS
     ss_cares
 )
 ss_add_test(test_jconf
-    "test_jconf.c;${PROJECT_SOURCE_DIR}/src/jconf.cpp;${PROJECT_SOURCE_DIR}/src/json.cpp;${PROJECT_SOURCE_DIR}/src/utils.cpp;${PROJECT_SOURCE_DIR}/src/netutils.cpp"
+    "test_jconf_cpp.cpp;${PROJECT_SOURCE_DIR}/src/jconf.cpp;${PROJECT_SOURCE_DIR}/src/json.cpp;${PROJECT_SOURCE_DIR}/src/utils.cpp;${PROJECT_SOURCE_DIR}/src/netutils.cpp"
     "${TEST_JCONF_LIBS};${SS_MATH_LIBRARY}")
 
 # The original C cipher implementation, kept under tests/reference as an
diff --git a/tests/test_jconf.c b/tests/test_jconf_cpp.cpp
similarity index 100%
rename from tests/test_jconf.c
rename to tests/test_jconf_cpp.cpp