diff --git a/main.cc b/main.cc
index 1184dbc..51b4d52 100644
--- a/main.cc
+++ b/main.cc
@@ -29,7 +29,7 @@ drop_agents(void)
 	for (std::list<class agent *>::iterator agent = agents.begin(); agent != agents.end(); agent++)
 	{
 next_agent:
-		if (((*agent)->conn && (*agent)->conn->error) || (*agent)->dead) {
+		if ((*agent)->conn ? (*agent)->conn->error : (*agent)->dead) {
 			delete *agent;
 			agent = agents.erase(agent);
 			if (agent != agents.end())