Compat lua_setiuservalue fixed for Lua 5.1 and LuaJIT

1 files changed, 6 insertions, 1 deletions

diff --git a/src/compat.c b/src/compat.c
index bccd05f..d9bc3dd 100644
--- a/src/compat.c
+++ b/src/compat.c
@@ -78,11 +78,16 @@ int lua_getiuservalue( lua_State* L, int idx, int n)
 
 int lua_setiuservalue( lua_State* L, int idx, int n)
 {
-        if( n > 1)
+        if( n > 1
+#if LUA_VERSION_NUM == 501
+                || lua_type( L, -1) != LUA_TTABLE
+#endif
+                )
         {
                 lua_pop( L, 1);
                 return 0;
         }
+
         (void) lua_setuservalue( L, idx);
         return 1; // I guess anything non-0 is ok
 }