diff --git a/dockers/docker-sonic-telemetry/telemetry.sh b/dockers/docker-sonic-telemetry/telemetry.sh
index bfef915c60be..be4c7dbe5109 100755
--- a/dockers/docker-sonic-telemetry/telemetry.sh
+++ b/dockers/docker-sonic-telemetry/telemetry.sh
@@ -2,7 +2,7 @@
 
 # Try to read telemetry and certs config from ConfigDB.
 # Use default value if no valid config exists
-TELEMETRY_VARS=`sonic-cfggen -d -t telemetry_vars.j2`
+TELEMETRY_VARS=$(sonic-cfggen -d -t telemetry_vars.j2)
 TELEMETRY_VARS=${TELEMETRY_VARS//[\']/\"}
 X509=$(echo $TELEMETRY_VARS | jq -r '.x509')
 GNMI=$(echo $TELEMETRY_VARS | jq -r '.gnmi')