diff --git a/modules/amv/intercompare.py b/modules/amv/intercompare.py
index 2e594958743349f3dd6efbe01853fa47c18d94a7..b89a32d7987c6f2c60ba298cc88d133f206f2887 100644
--- a/modules/amv/intercompare.py
+++ b/modules/amv/intercompare.py
@@ -15,6 +15,7 @@ from scipy.interpolate import interp1d
 from util.util import minimize_quadratic
 from netCDF4 import Dataset
 import datetime
+from datetime import timezone
 
 #-- AMV intercompare stuff ------------------------------------------