diff --git a/test/utils/shippable/timing.py b/test/utils/shippable/timing.py
index f27fdbb486..f40e21005f 100755
--- a/test/utils/shippable/timing.py
+++ b/test/utils/shippable/timing.py
@@ -1,10 +1,13 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python3.7
 
 import sys
 import time
 
 start = time.time()
 
+sys.stdin.reconfigure(errors='surrogateescape')
+sys.stdout.reconfigure(errors='surrogateescape')
+
 for line in sys.stdin:
     seconds = time.time() - start
     sys.stdout.write('%02d:%02d %s' % (seconds // 60, seconds % 60, line))