1 files changed, 1 insertions, 1 deletions
diff --git a/mec3.h b/mec3.h
index 3df3f50..e28c66b 100755
--- a/mec3.h
+++ b/mec3.h
@@ -150,7 +150,7 @@ static inline short echo_can_update(echo_can_state_t *ec, short ref, short sig)
 		ec->hcntr--;
 
 	/* Store error */
-	buf_add(&ec->e, sig, ec->pos, ec->taps);
+	buf_add(&ec->e, u, ec->pos, ec->taps);
 	if ((ec->ref.max > MIN_TX_ENERGY) && 
 	    (ec->sig.max > MIN_RX_ENERGY) &&
 		(ec->e.max > (ec->ref.max >> MAX_ATTENUATION_SHIFT))) {