diff --git a/install/agent-install.sh b/install/agent-install.sh
index 701d780..e8c0563 100644
--- a/install/agent-install.sh
+++ b/install/agent-install.sh
@@ -62,7 +62,7 @@ collect_metrics() {
 }
 
 push_metrics() {
-    payload=\$(cat << 'PAYLOAD'
+    payload=\$(cat << PAYLOAD
 {
     "agent_key": "\$AGENT_KEY",
     "cpu": \$CPU,