diff --git a/configure b/configure
index 75e1f10..f033438 100755
--- a/configure
+++ b/configure
@@ -2241,7 +2241,7 @@
 
 int main(void)
 {
-    int efd = eventfd(0, 0);
+    int efd = eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
     return 0;
 }
 EOF