diff --git a/src/control/control.c b/src/control/control.c
index 82cd1a05..90fab877 100644
--- a/src/control/control.c
+++ b/src/control/control.c
@@ -3108,7 +3108,7 @@ void snd_ctl_elem_value_set_byte(snd_ctl_elem_value_t *obj, unsigned int idx, un
 void snd_ctl_elem_set_bytes(snd_ctl_elem_value_t *obj, void *data, size_t size)
 {
 	assert(obj);
-	assert(size < ARRAY_SIZE(obj->value.bytes.data));
+	assert(size <= ARRAY_SIZE(obj->value.bytes.data));
 	memcpy(obj->value.bytes.data, data, size);
 }