1 files changed, 8 insertions, 2 deletions
diff --git a/src/nvim/lua/treesitter.c b/src/nvim/lua/treesitter.c
index 188b2c1ef7..c186928ae2 100644
--- a/src/nvim/lua/treesitter.c
+++ b/src/nvim/lua/treesitter.c
@@ -222,13 +222,19 @@ int tslua_inspect_lang(lua_State *L)
   lua_setfield(L, -2, "symbols");  // [retval]
 
   size_t nfields = (size_t)ts_language_field_count(lang);
-  lua_createtable(L, nfields-1, 1);  // [retval, fields]
-  for (size_t i = 0; i < nfields; i++) {
+  lua_createtable(L, nfields, 1);  // [retval, fields]
+  // Field IDs go from 1 to nfields inclusive (extra index 0 maps to NULL)
+  for (size_t i = 1; i <= nfields; i++) {
     lua_pushstring(L, ts_language_field_name_for_id(lang, i));
     lua_rawseti(L, -2, i);  // [retval, fields]
   }
 
   lua_setfield(L, -2, "fields");  // [retval]
+
+  uint32_t lang_version = ts_language_version(lang);
+  lua_pushinteger(L, lang_version);  // [retval, version]
+  lua_setfield(L, -2, "_abi_version");
+
   return 1;
 }