diff --git a/x-pack/plugins/fleet/public/applications/fleet/sections/agents/agent_list_page/index.tsx b/x-pack/plugins/fleet/public/applications/fleet/sections/agents/agent_list_page/index.tsx
index 8e9c549fe5609..d01d290e129b8 100644
--- a/x-pack/plugins/fleet/public/applications/fleet/sections/agents/agent_list_page/index.tsx
+++ b/x-pack/plugins/fleet/public/applications/fleet/sections/agents/agent_list_page/index.tsx
@@ -341,9 +341,10 @@ export const AgentListPage: React.FunctionComponent<{}> = () => {
 
   const isAgentSelectable = (agent: Agent) => {
     if (!agent.active) return false;
+    if (!agent.policy_id) return true;
 
-    const agentPolicy = agentPolicies.find((p) => p.id === agent.policy_id);
-    const isManaged = agent.policy_id && agentPolicy?.is_managed === true;
+    const agentPolicy = agentPoliciesIndexedById[agent.policy_id];
+    const isManaged = agentPolicy?.is_managed === true;
     return !isManaged;
   };