diff --git a/src/libopensc/card-muscle.c b/src/libopensc/card-muscle.c
index 8c92dcc198..d3e94a03f1 100644
--- a/src/libopensc/card-muscle.c
+++ b/src/libopensc/card-muscle.c
@@ -476,8 +476,7 @@ static int muscle_init(sc_card_t *card)
 	card->caps |= SC_CARD_CAP_RNG;
 
 	/* Card type detection */
-	if (SC_SUCCESS != _sc_match_atr(card, muscle_atrs, &card->type))
-		SC_FUNC_RETURN(card->ctx, SC_LOG_DEBUG_NORMAL, SC_ERROR_INVALID_CARD);
+	_sc_match_atr(card, muscle_atrs, &card->type);
 
 	if(card->type == SC_CARD_TYPE_MUSCLE_ETOKEN_72K) {
 		card->caps |= SC_CARD_CAP_APDU_EXT;