diff --git a/shellinabox/launcher.c b/shellinabox/launcher.c
index 7fbda4b..8c89578 100644
--- a/shellinabox/launcher.c
+++ b/shellinabox/launcher.c
@@ -1661,7 +1661,8 @@ static void launcherDaemon(int fd) {
       }
 
       // Send file handle and process id back to parent
-      char cmsg_buf[CMSG_SPACE(sizeof(int))] = { 0 };
+      char cmsg_buf[CMSG_SPACE(sizeof(int))]; // = { 0 }; // Valid initializer makes OSX mad.
+      cmsg_buf[0] = 0;
       struct iovec  iov       = { 0 };
       struct msghdr msg       = { 0 };
       iov.iov_base            = &pid;