diff --git a/posix/tst-spawn7.c b/posix/tst-spawn7.c
index a1c0d9d942..fedb09fb94 100644
--- a/posix/tst-spawn7.c
+++ b/posix/tst-spawn7.c
@@ -92,7 +92,7 @@ spawn_signal_test (const char *type, const posix_spawnattr_t *attr)
 }
 
 static void
-dummy_sa_handler (int)
+dummy_sa_handler (int signal)
 {
 }