diff --git a/src/syntax.c b/src/syntax.c
index 7d96feb..7df00aa 100644
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -9430,7 +9430,7 @@
 # ifdef FEAT_XFONTSET
     gui_mch_free_fontset(gui.fontset);
 # endif
-# ifndef HAVE_GTK2
+# ifndef FEAT_GUI_GTK
     gui_mch_free_font(gui.bold_font);
     gui_mch_free_font(gui.ital_font);
     gui_mch_free_font(gui.boldital_font);