diff --git a/ci-scripts/cls_oaicitest.py b/ci-scripts/cls_oaicitest.py
index 2e7b301f11..4b6f5ad667 100644
--- a/ci-scripts/cls_oaicitest.py
+++ b/ci-scripts/cls_oaicitest.py
@@ -280,7 +280,7 @@ class OaiCiTest():
 			#RH quick add-on to integrate cots control defined by yaml
 			#if device_id exists in yaml dictionary, we execute the new procedure defined in cots_ue class
 			#otherwise we use the legacy procedure
-			logging.debug('Device id ' + str(device_id) + ', in COTS UE dict : ',str(COTS_UE.Check_Exists(device_id)))
+			logging.debug('Device id ' + str(device_id) + ', in COTS UE dict : ' + str(COTS_UE.Check_Exists(device_id)))
 			if COTS_UE.Check_Exists(device_id):
 				#switch device to Airplane mode ON (ie Radio OFF) 
 				COTS_UE.Set_Airplane(device_id, 'ON')