1 files changed, 1 insertions, 1 deletions

diff --git a/src/openssl.c b/src/openssl.c
index c777e14..4eba534 100644
--- a/src/openssl.c
+++ b/src/openssl.c
@@ -289,7 +289,7 @@ static int auxL_swapmetatable(lua_State *, const char *);
 static int auxL_swapmetasubtable(lua_State *, const char *, const char *);
 
 static int interpose(lua_State *L, const char *mt) {
-        if (!strncmp("__", luaL_checkstring(L, -2), 2)) {
+        if (!strncmp("__", luaL_checkstring(L, lua_absindex(L, -2)), 2)) {
                 return auxL_swapmetatable(L, mt);
         } else {
                 return auxL_swapmetasubtable(L, mt, "__index");