diff --git a/armsrc/iso14443a.c b/armsrc/iso14443a.c
index 3b7b096a4..225337485 100644
--- a/armsrc/iso14443a.c
+++ b/armsrc/iso14443a.c
@@ -2527,7 +2527,7 @@ void iso14443a_setup(uint8_t fpga_minor_mode) {
 
     FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
     // Set up the synchronous serial port
-    FpgaSetupSsc();
+    FpgaSetupSsc(FPGA_MAJOR_MODE_HF_ISO14443A);
     // connect Demodulated Signal to ADC:
     SetAdcMuxFor(GPIO_MUXSEL_HIPKD);