diff --git a/src/client/client.h b/src/client/client.h
index 9cfdc5d..8fcbcb3 100644
--- a/src/client/client.h
+++ b/src/client/client.h
@@ -73,6 +73,9 @@
 		uint8_t data[ATR_SIZE_MAX];
 		uint8_t len;
 	} atr;
+	/* ignore any ATR received via RSPRO; only use the hard-coded default or
+	 * optionally the ATR given at the command line */
+	bool atr_ignore_rspro;
 
 	struct {
 		int vendor_id;
diff --git a/src/client/main_fsm.c b/src/client/main_fsm.c
index b79d061..1da0106 100644
--- a/src/client/main_fsm.c
+++ b/src/client/main_fsm.c
@@ -280,9 +280,13 @@
 		LOGPFSML(fi, LOGL_NOTICE, "Rx setAtrReq(%s)\n",
 			 osmo_hexdump_nospc(pdu_rx->msg.choice.setAtrReq.atr.buf,
 					    pdu_rx->msg.choice.setAtrReq.atr.size));
-		/* forward to modem/cardem (via API) */
-		frontend_handle_set_atr(bc, pdu_rx->msg.choice.setAtrReq.atr.buf,
-					pdu_rx->msg.choice.setAtrReq.atr.size);
+		if (bc->cfg->atr_ignore_rspro) {
+			LOGPFSML(fi, LOGL_NOTICE, "Ignoring RSPRO setAtrReq\n");
+		} else {
+			/* forward to modem/cardem (via API) */
+			frontend_handle_set_atr(bc, pdu_rx->msg.choice.setAtrReq.atr.buf,
+						pdu_rx->msg.choice.setAtrReq.atr.size);
+		}
 		/* send response to bankd */
 		resp = rspro_gen_SetAtrRes(ResultCode_ok);
 		server_conn_send_rspro(&bc->bankd_conn, resp);
diff --git a/src/client/remsim_client.c b/src/client/remsim_client.c
index 247ae42..a5dc6c9 100644
--- a/src/client/remsim_client.c
+++ b/src/client/remsim_client.c
@@ -57,6 +57,7 @@
 	cfg->atr.data[0] = 0x3B;
 	cfg->atr.data[1] = 0x00; // the shortest simplest ATR possible
 	cfg->atr.len = 2;
+	cfg->atr_ignore_rspro = false;
 
 	return cfg;
 };
diff --git a/src/client/remsim_client_main.c b/src/client/remsim_client_main.c
index 4238864..5a23d82 100644
--- a/src/client/remsim_client_main.c
+++ b/src/client/remsim_client_main.c
@@ -33,6 +33,7 @@
 		"  -c --client-id <0-1023>    RSPRO ClientId of this client\n"
 		"  -n --client-slot <0-1023>  RSPRO SlotNr of this client\n"
 		"  -a --atr HEXSTRING         default ATR to simulate (until bankd overrides it)\n"
+		"  -r --atr-ignore-rspro      Ignore any ATR from bankd; use only ATR given by -a)\n"
 		"  -e --event-script <path>   event script to be called by client\n"
 #ifdef USB_SUPPORT
 		"  -V --usb-vendor VENDOR_ID\n"
@@ -61,6 +62,7 @@
 			{ "client-id", 1, 0, 'c' },
 			{ "client-slot", 1, 0, 'n' },
 			{ "atr", 1, 0, 'a' },
+			{ "atr-ignore-rspro", 0, 0, 'r' },
 			{ "event-script", 1, 0, 'e' },
 #ifdef USB_SUPPORT
 			{ "usb-vendor", 1, 0, 'V' },
@@ -74,7 +76,7 @@
 			{ 0, 0, 0, 0 }
 		};
 
-		c = getopt_long(argc, argv, "hvd:i:p:c:n:a:e:"
+		c = getopt_long(argc, argv, "hvd:i:p:c:n:a:re:"
 #ifdef USB_SUPPORT
 						"V:P:C:I:S:A:H:"
 #endif
@@ -114,6 +116,9 @@
 				exit(2);
 			}
 			break;
+		case 'r':
+			cfg->atr_ignore_rspro = true;
+			break;
 		case 'e':
 			osmo_talloc_replace_string(cfg, &cfg->event_script, optarg);
 			break;