diff --git a/scripts/lvl_genvk.py b/scripts/lvl_genvk.py
index f0dfe4d..156525c 100644
--- a/scripts/lvl_genvk.py
+++ b/scripts/lvl_genvk.py
@@ -21,11 +21,11 @@
 
 def startTimer(timeit):
     global startTime
-    startTime = time.clock()
+    startTime = time.process_time()
 
 def endTimer(timeit, msg):
     global startTime
-    endTime = time.clock()
+    endTime = time.process_time()
     if (timeit):
         write(msg, endTime - startTime, file=sys.stderr)
         startTime = None