diff --git a/src/treesit.c b/src/treesit.c
index 2805fa69aed..655eab8af8a 100644
--- a/src/treesit.c
+++ b/src/treesit.c
@@ -4374,7 +4374,7 @@ the symbol of that THING.  For example, (or sexp sentence).  */);
   defsubr (&Streesit_subtree_stat);
 #endif /* HAVE_TREE_SITTER */
   defsubr (&Streesit_available_p);
-#ifdef WINDOWSNT
+#ifdef HAVE_NTGUI
   DEFSYM (Qtree_sitter__library_abi, "tree-sitter--library-abi");
   Fset (Qtree_sitter__library_abi,
 #if HAVE_TREE_SITTER