diff --git a/src/proto/term.pro b/src/proto/term.pro
index b83df86..d82f906 100644
--- a/src/proto/term.pro
+++ b/src/proto/term.pro
@@ -33,6 +33,7 @@
 void term_fg_color(int n);
 void term_bg_color(int n);
 void term_ul_color(int n);
+void term_font(int n);
 char_u *term_bg_default(void);
 void term_fg_rgb_color(guicolor_T rgb);
 void term_bg_rgb_color(guicolor_T rgb);