diff --git a/tests/test-runner/bin/test-runner.py.in b/tests/test-runner/bin/test-runner.py.in
index 28276ebc47..c454bf8d7c 100755
--- a/tests/test-runner/bin/test-runner.py.in
+++ b/tests/test-runner/bin/test-runner.py.in
@@ -47,25 +47,25 @@ LOG_OUT = 'LOG_OUT'
 LOG_ERR = 'LOG_ERR'
 LOG_FILE_OBJ = None
 
+try:
+    from time import monotonic as monotonic_time
+except ImportError:
+    class timespec(ctypes.Structure):
+        _fields_ = [
+            ('tv_sec', ctypes.c_long),
+            ('tv_nsec', ctypes.c_long)
+        ]
 
-class timespec(ctypes.Structure):
-    _fields_ = [
-        ('tv_sec', ctypes.c_long),
-        ('tv_nsec', ctypes.c_long)
-    ]
+    librt = ctypes.CDLL('librt.so.1', use_errno=True)
+    clock_gettime = librt.clock_gettime
+    clock_gettime.argtypes = [ctypes.c_int, ctypes.POINTER(timespec)]
 
-
-librt = ctypes.CDLL('librt.so.1', use_errno=True)
-clock_gettime = librt.clock_gettime
-clock_gettime.argtypes = [ctypes.c_int, ctypes.POINTER(timespec)]
-
-
-def monotonic_time():
-    t = timespec()
-    if clock_gettime(CLOCK_MONOTONIC, ctypes.pointer(t)) != 0:
-        errno_ = ctypes.get_errno()
-        raise OSError(errno_, os.strerror(errno_))
-    return t.tv_sec + t.tv_nsec * 1e-9
+    def monotonic_time():
+        t = timespec()
+        if clock_gettime(CLOCK_MONOTONIC, ctypes.pointer(t)) != 0:
+            errno_ = ctypes.get_errno()
+            raise OSError(errno_, os.strerror(errno_))
+        return t.tv_sec + t.tv_nsec * 1e-9
 
 
 class Result(object):