diff --git a/examples/server.cc b/examples/server.cc
index d79250227bb65eb91ca86ba939d5b450e79d45d0..19c41c60674cdf6780404bcd6e1f9d2e35bdb328 100644
--- a/examples/server.cc
+++ b/examples/server.cc
@@ -2178,7 +2178,7 @@ int create_sock(Address &local_addr, const char *addr, const char *port,
   hints.ai_socktype = SOCK_DGRAM;
   hints.ai_flags = AI_PASSIVE;
 
-  if (strcmp("addr", "*") == 0) {
+  if (strcmp(addr, "*") == 0) {
     addr = nullptr;
   }