1 files changed, 1 insertions, 1 deletions
diff --git a/attach.c b/attach.c
index e4a46bd..5fd301c 100644
--- a/attach.c
+++ b/attach.c
@@ -96,7 +96,7 @@ die(int sig)
 
 /* Window size change. */
 static RETSIGTYPE
-win_change(int sig)
+win_change(ATTRIBUTE_UNUSED int sig)
 {
 	signal(SIGWINCH, win_change);
 	win_changed = 1;