diff --git a/src/frontend/inp.c b/src/frontend/inp.c
index 86652c08e..bf6d954d5 100644
--- a/src/frontend/inp.c
+++ b/src/frontend/inp.c
@@ -60,6 +60,7 @@ static char *upper(register char *string);
 static void rem_unused_mos_models(struct card* deck);
 
 extern void com_optran(wordlist * wl);
+extern void tprint(struct card *deck);
 
 
 //void inp_source_recent(void);
diff --git a/src/frontend/subckt.c b/src/frontend/subckt.c
index 3d5b7b337..9579784a7 100644
--- a/src/frontend/subckt.c
+++ b/src/frontend/subckt.c
@@ -77,6 +77,7 @@ Modified: 2000 AlansFixes
 
 extern void line_free_x(struct card *deck, bool recurse);
 extern int get_number_terminals(char* c);
+extern void tprint(struct card* deck);
 
 #define line_free(line, flag)                   \
     do {                                        \