diff --git a/client/src/cmdusart.c b/client/src/cmdusart.c
index f8538caf3..0d33ef374 100644
--- a/client/src/cmdusart.c
+++ b/client/src/cmdusart.c
@@ -163,7 +163,7 @@ static int usart_bt_testcomm(uint32_t baudrate, uint8_t parity) {
     ret = usart_txrx((uint8_t *)string, strlen(string), data, &len, 1000);
     if (ret == PM3_SUCCESS) {
         PrintAndLogEx(SUCCESS, "RX (%3zu):%.*s", len, (int)len, data);
-        if (strcmp((char *)data, "hc01.comV2.0") == 0 || strcmp((char *)data, "BT SPP V3.0") == 0) {
+        if (str_startswith((char *)data, "hc01.comV2.0") || str_startswith((char *)data, "BT SPP V3.0")) {
             PrintAndLogEx(SUCCESS, "Add-on " _GREEN_("found!"));
             return PM3_SUCCESS;
         }