diff --git a/src/openvpn/manage.c b/src/openvpn/manage.c
index a4f99c9a..103ccadc 100644
--- a/src/openvpn/manage.c
+++ b/src/openvpn/manage.c
@@ -2092,7 +2092,7 @@ man_io_error(struct management *man, const char *prefix)
 static ssize_t
 man_send_with_fd(int fd, void *ptr, size_t nbytes, int flags, int sendfd)
 {
-    struct msghdr msg;
+    struct msghdr msg = {0};
     struct iovec iov[1];
 
     union {
@@ -2124,7 +2124,7 @@ man_send_with_fd(int fd, void *ptr, size_t nbytes, int flags, int sendfd)
 static ssize_t
 man_recv_with_fd(int fd, void *ptr, size_t nbytes, int flags, int *recvfd)
 {
-    struct msghdr msghdr;
+    struct msghdr msghdr = {0};
     struct iovec iov[1];
     ssize_t n;