diff --git a/voltha b/voltha
index af97675..31dd124 100755
--- a/voltha
+++ b/voltha
@@ -122,7 +122,7 @@
 ONOS_CHART=${ONOS_CHART:-onf/onos}
 ONOS_CHART_VERSION=${ONOS_CHART_VERSION:-latest}
 ONOS_CLASSIC_CHART=${ONOS_CLASSIC_CHART:-onos/onos-classic}
-ONOS_CLASSIC_CHART_VERSION=${ONOS_CHART_VERSION:-latest}
+ONOS_CLASSIC_CHART_VERSION=${ONOS_CLASSIC_CHART_VERSION:-latest}
 KAFKA_CHART=${KAFKA_CHART:-incubator/kafka}
 KAFKA_CHART_VERSION=${KAFKA_CHART_VERSION:=0.15.3}
 BBSIM_SADIS_SERVER_CHART=${BBSIM_SADIS_SERVER_CHART:-bbsim-sadis/bbsim-sadis-server}