diff --git a/fileutils.h b/fileutils.h
index 621d94f3..af0cbad2 100644
--- a/fileutils.h
+++ b/fileutils.h
@@ -27,7 +27,7 @@ class fileutils {
       if (r == 0)
         return EOF;
       if (r < 0) {
-        if (!(errno == EAGAIN || errno == EWOULDBLOCK || errno == EINTR))
+        if (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINTR)
           continue;
         return r;
       }
diff --git a/stats_server.cc b/stats_server.cc
index 6949eaf4..bfd4739f 100644
--- a/stats_server.cc
+++ b/stats_server.cc
@@ -43,7 +43,7 @@ stats_server::serve_forever()
     int cfd = accept(fd, nullptr, 0);
     if (cfd < 0)
       throw system_error(errno, system_category(), "accept failed");
-    thread(&stats_server::serve_client, this, fd).detach();
+    thread(&stats_server::serve_client, this, cfd).detach();
   }
 }