diff --git a/qemu-char.c b/qemu-char.c
index e9463d4..70b0183 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -2072,13 +2072,18 @@
 
     for (cmsg = CMSG_FIRSTHDR(msg); cmsg; cmsg = CMSG_NXTHDR(msg, cmsg)) {
         int fd;
+        union {
+            int* int_ptr;
+            void* void_ptr;
+        } u;
 
         if (cmsg->cmsg_len != CMSG_LEN(sizeof(int)) ||
             cmsg->cmsg_level != SOL_SOCKET ||
             cmsg->cmsg_type != SCM_RIGHTS)
             continue;
 
-        fd = *((int *)CMSG_DATA(cmsg));
+        u.void_ptr = CMSG_DATA(cmsg);
+        fd = *u.int_ptr;
         if (fd < 0)
             continue;