1 files changed, 1 insertions, 1 deletions

diff --git a/fgetc.h b/fgetc.h
index f458928..3948588 100644
--- a/fgetc.h
+++ b/fgetc.h
@@ -10,6 +10,6 @@ int
 my_fgetc(FILE * input);
 
 void
-my_ungetc(int c);
+my_ungetc(int c, FILE * input);
 
 #endif