diff --git a/sql-make-graph-speed-ave.py b/sql-make-graph-speed-ave.py
index 41f2f8b..b4c5f51 100644
--- a/sql-make-graph-speed-ave.py
+++ b/sql-make-graph-speed-ave.py
@@ -6,7 +6,7 @@
 
 '''
 from __future__ import print_function
-prog_ver = '1.1'
+prog_ver = '13_02'
 DEBUG = False
 print('Loading ver %s DEBUG= %s ... ' % (prog_ver, DEBUG))
 import sqlite3
@@ -40,7 +40,7 @@
 from config import DB_DIR
 from config import DB_NAME
 from config import DB_TABLE
-from config import SPEED_MPH
+from config import MO_SPEED_MPH_ON
 from config import GRAPH_PATH
 from config import GRAPH_ADD_DATE_TO_FILENAME   # Prefix graph image filename with datetime for uniqueness.
 from config import GRAPH_RUN_TIMER_HOURS
@@ -141,10 +141,10 @@ def get_timestamp_substr(total_by):
 #----------------------------------------------------------------------------------------
 def get_speed_units_str():
     '''
-    Convert config.py SPEED_MPH boolean to a string.
+    Convert config.py MO_SPEED_MPH_ON boolean to a string.
     '''
     speed_unit = 'kph'
-    if SPEED_MPH:
+    if MO_SPEED_MPH_ON:
         speed_unit  = 'mph'
     return speed_unit