diff --git a/files/build_templates/docker_image_ctl.j2 b/files/build_templates/docker_image_ctl.j2
index caaff75e8c..76daa8cd3c 100644
--- a/files/build_templates/docker_image_ctl.j2
+++ b/files/build_templates/docker_image_ctl.j2
@@ -57,7 +57,7 @@ function ebtables_config()
 
 function getMountPoint()
 {
-    echo $1 | python -c "import sys, json, os; mnts = [x for x in json.load(sys.stdin)[0]['Mounts'] if x['Destination'] == '/usr/share/sonic/hwsku']; print '' if len(mnts) == 0 else os.path.abspath(mnts[0]['Source'])" 2>/dev/null
+    echo $1 | python -c "import sys, json, os; mnts = [x for x in json.load(sys.stdin)[0]['Mounts'] if x['Destination'] == '/usr/share/sonic/hwsku']; print('' if len(mnts) == 0 else os.path.abspath(mnts[0]['Source']))" 2>/dev/null
 }
 
 function getBootType()