diff --git a/modules/util/viirs_l1b_l2.py b/modules/util/viirs_l1b_l2.py
index 81f3a1e837de10342235b9b763d232dbc79f4407..8ca81962ebfda4de8e4b2ee5200e99de48a7359d 100644
--- a/modules/util/viirs_l1b_l2.py
+++ b/modules/util/viirs_l1b_l2.py
@@ -9,8 +9,8 @@ emis_params = ['temp_10_4um_nom', 'temp_11_0um_nom', 'temp_12_0um_nom', 'temp_13
                'temp_6_7um_nom']
 l2_params = ['cloud_fraction', 'cld_temp_acha', 'cld_press_acha']
 
-data_params = ['M15']
-label_params = ['M15_highres']
+data_params = ['observation_data/M15']
+label_params = ['observation_data/M15_highres']
 
 
 def run_all(directory):