diff --git a/linkerd-viz b/linkerd-viz
index 6fdc37a..26c897c 100755
--- a/linkerd-viz
+++ b/linkerd-viz
@@ -9,8 +9,8 @@
 
 PLATFORM="${1:-dcos}"
 
-CONSUL_HOST"=${CONSUL_HOST:-localhost}"
-MARATHON_HOST"=${MARATHON_HOST:-mesos.marathon}"
+CONSUL_HOST="${CONSUL_HOST:-localhost}"
+MARATHON_HOST="${MARATHON_HOST:-mesos.marathon}"
 PUBLIC_PORT="${PUBLIC_PORT:-3000}"
 STATS_PORT="${STATS_PORT:-9191}"
 SCRAPE_INTERVAL="${SCRAPE_INTERVAL:-30s}"