1 files changed, 1 insertions, 1 deletions

diff --git a/src/sysdep.c b/src/sysdep.c
index 6e09748bca9..6d630c4832f 100644
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -242,7 +242,7 @@ static int baud_convert[] =
 
 int emacs_ospeed;
 
-void croak P_ ((char *));
+void croak P_ ((char *)) NO_RETURN;
 
 #ifdef AIXHFT
 void hft_init P_ ((struct tty_display_info *));