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Diffstat (limited to 'upb/bindings/lua/upb.c')
-rw-r--r--upb/bindings/lua/upb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/upb/bindings/lua/upb.c b/upb/bindings/lua/upb.c
index 5ad0235..b35af24 100644
--- a/upb/bindings/lua/upb.c
+++ b/upb/bindings/lua/upb.c
@@ -1358,7 +1358,7 @@ static size_t align_up(size_t val, size_t align) {
// If we always read/write as a consistent type to each value, this shouldn't
// violate aliasing.
-#define DEREF(msg, ofs, type) *(type*)(&msg->data[ofs])
+#define DEREF(msg, ofs, type) *(type*)((char*)msg + sizeof(lupb_msg) + ofs)
lupb_msg *lupb_msg_check(lua_State *L, int narg) {
lupb_msg *msg = luaL_checkudata(L, narg, LUPB_MSG);
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