diff --git a/src/rules/c_cpp.c b/src/rules/c_cpp.c
index fd77c53..dc92453 100644
--- a/src/rules/c_cpp.c
+++ b/src/rules/c_cpp.c
@@ -16,7 +16,8 @@ int _c_cpp_seccomp_rules(struct config *_config, bool allow_write_file) {
                                 SCMP_SYS(access), SCMP_SYS(exit_group),
                                 SCMP_SYS(close), SCMP_SYS(readlink),
                                 SCMP_SYS(sysinfo), SCMP_SYS(write),
-                                SCMP_SYS(writev), SCMP_SYS(lseek)};
+                                SCMP_SYS(writev), SCMP_SYS(lseek),
+                                SCMP_SYS(clock_gettime)};
 
     int syscalls_whitelist_length = sizeof(syscalls_whitelist) / sizeof(int);
     scmp_filter_ctx ctx = NULL;
diff --git a/tests/Python_and_core/testcase/integration/test.py b/tests/Python_and_core/testcase/integration/test.py
index 4a6f6d2..a977f75 100644
--- a/tests/Python_and_core/testcase/integration/test.py
+++ b/tests/Python_and_core/testcase/integration/test.py
@@ -327,3 +327,11 @@ class IntegrationTest(base.BaseTestCase):
 
         result = _judger.run(**config)
         self.assertEqual(result["result"], _judger.RESULT_SUCCESS)
+
+    def test_get_time(self):
+        config = self.base_config
+        config["exe_path"] = self._compile_c("time.c")
+        config["seccomp_rule_name"] = "c_cpp"
+
+        result = _judger.run(**config)
+        self.assertEqual(result["result"], _judger.RESULT_SUCCESS)
diff --git a/tests/test_src/integration/time.c b/tests/test_src/integration/time.c
new file mode 100644
index 0000000..624d451
--- /dev/null
+++ b/tests/test_src/integration/time.c
@@ -0,0 +1,7 @@
+#include <time.h>
+#include <stdio.h>
+
+int main () {
+   clock();
+   return 0;
+}
\ No newline at end of file