diff --git a/cmd/soju/main.go b/cmd/soju/main.go
index 9f67182..f6bfda5 100644
--- a/cmd/soju/main.go
+++ b/cmd/soju/main.go
@@ -253,5 +253,6 @@ func proxyProtoListener(ln net.Listener, srv *soju.Server) net.Listener {
 			}
 			return proxyproto.IGNORE, nil
 		},
+		ReadHeaderTimeout: 5 * time.Second,
 	}
 }