diff --git a/Src/iso7816/smartcard_iso7816.c b/Src/iso7816/smartcard_iso7816.c
index e7d9b32..88ba5dc 100644
--- a/Src/iso7816/smartcard_iso7816.c
+++ b/Src/iso7816/smartcard_iso7816.c
@@ -2017,6 +2017,8 @@ static int SC_send_APDU_T1(SC_APDU_cmd* apdu, SC_APDU_resp* resp, SC_ATR* atr)
 					log_printf("[Smartcard T=1] Unexpected case: received other block than expected RBLOCK, or bad sequence number ...\r\n");
 					goto err;
 				}
+				/* Wait for BGT as we will send the next block after looping */
+				SC_delay_etu(BGT_block_guard_time); /* Wait for the standardized Block Guard Time (22 ETU by default) */
 			}
 			else{
 				/* This is the last block, we should receive at least one I type block with a last I Block received sequence + 1 value