diff --git a/src/globals.h b/src/globals.h
index 5effdb5..8cc9bed 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -369,6 +369,10 @@
 EXTERN int	cterm_normal_fg_color INIT(= 0);
 EXTERN int	cterm_normal_fg_bold INIT(= 0);
 EXTERN int	cterm_normal_bg_color INIT(= 0);
+#ifdef FEAT_TERMTRUECOLOR
+EXTERN long_u	cterm_normal_fg_gui_color INIT(= INVALCOLOR);
+EXTERN long_u	cterm_normal_bg_gui_color INIT(= INVALCOLOR);
+#endif
 
 #ifdef FEAT_AUTOCMD
 EXTERN int	autocmd_busy INIT(= FALSE);	/* Is apply_autocmds() busy? */