diff --git a/sndioctl/sndioctl.c b/sndioctl/sndioctl.c
index 54a8a97..272e7ba 100644
--- a/sndioctl/sndioctl.c
+++ b/sndioctl/sndioctl.c
@@ -885,9 +885,11 @@ onctl(void *arg, unsigned addr, unsigned val)
 	for (i = infolist; i != NULL; i = i->next) {
 		if (i->ctladdr != addr)
 			continue;
-		i->curval = val;
-		if (m_flag)
-			print_ent(i, "changed");
+		if (i->curval != val) {
+			i->curval = val;
+			if (m_flag)
+				print_ent(i, "changed");
+		}
 	}
 }