diff --git a/src/lib_ffi.c b/src/lib_ffi.c
index cf9cf9f5..1422dea6 100644
--- a/src/lib_ffi.c
+++ b/src/lib_ffi.c
@@ -304,7 +304,7 @@ LJLIB_CF(ffi_meta___tostring)
       p = *(void **)p;
     } else if (ctype_isenum(ct->info)) {
       msg = "cdata<%s>: %d";
-      p = (void *)(uintptr_t)*(uint32_t **)p;
+      p = (void *)(uintptr_t)*(uint32_t *)p;
     } else {
       if (ctype_isptr(ct->info)) {
 	p = cdata_getptr(p, ct->size);