diff --git a/salt/wazuh/files/agent/wazuh-register-agent b/salt/wazuh/files/agent/wazuh-register-agent
index 895fbd5d1..ca130ae90 100755
--- a/salt/wazuh/files/agent/wazuh-register-agent
+++ b/salt/wazuh/files/agent/wazuh-register-agent
@@ -73,7 +73,7 @@ register_agent() {
     # Importing key
     echo ""
     echo "Importing authentication key:"
-    echo "y" | /var/ossec/bin/manage_agents -i '$AGENT_KEY'
+    echo "y" | /var/ossec/bin/manage_agents -i "$AGENT_KEY"
 
     # Restarting agent
     echo ""