diff --git a/optimize_later/core.py b/optimize_later/core.py
index 1c2cc31..067ef8a 100644
--- a/optimize_later/core.py
+++ b/optimize_later/core.py
@@ -11,8 +11,23 @@ from optimize_later.utils import NoArgDecoratorMeta, with_metaclass
 from optimize_later import utils
 
 log = logging.getLogger(__name__.rpartition('.')[0] or __name__)
-timer = [time.time, time.clock][os.name == 'nt']
 
+def _get_timer():
+    """
+    Returns the approprite timer method
+    for the current OS and version of Python
+    """
+    options = [time.time,]
+    try:
+        options.append(time.clock)
+    except AttributeError:
+        # Expected to occur in Python 3.8 since time.clock is removed in this version of Python.
+        options.append(time.process_time)
+    
+    timer = options[os.name == 'nt']
+    return timer
+
+timer = _get_timer()
 
 def _generate_default_name():
     for entry in inspect.stack():