diff --git a/src/haproxy.c b/src/haproxy.c
index fe592fa..15a40bc 100644
--- a/src/haproxy.c
+++ b/src/haproxy.c
@@ -1558,6 +1558,7 @@
 		int ret = 0;
 		int *children = calloc(global.nbproc, sizeof(int));
 		int proc;
+		char *wrapper_fd;
 
 		/* the father launches the required number of processes */
 		for (proc = 0; proc < global.nbproc; proc++) {
@@ -1590,6 +1591,15 @@
 			close(pidfd);
 		}
 
+		/* each child must notify the wrapper that it's ready by closing the requested fd */
+		wrapper_fd = getenv("HAPROXY_WRAPPER_FD");
+		if (wrapper_fd) {
+			int pipe_fd = atoi(wrapper_fd);
+
+			if (pipe_fd >= 0)
+				close(pipe_fd);
+		}
+
 		/* We won't ever use this anymore */
 		free(oldpids);        oldpids = NULL;
 		free(global.chroot);  global.chroot = NULL;