diff --git a/utils/ci/test_sdk_monitor.sh b/utils/ci/test_sdk_monitor.sh
index afd4b8c..51e5e7a 100755
--- a/utils/ci/test_sdk_monitor.sh
+++ b/utils/ci/test_sdk_monitor.sh
@@ -29,6 +29,9 @@
 
 # test if prometheus query worked
 echo $cpu_load
+
+regex='\[[0-9.]*, .*\]'
+
 if [[ $cpu_load =~ $regex ]] ; then
 	echo " cpu monitor test OK"
 	exit 0
@@ -36,3 +39,5 @@
 	echo "cpu monitor test not OK"
 	exit 1
 fi
+
+