diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index 95b42982a..a252bbe8e 100644
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -213,7 +213,7 @@ static void MeasureAntennaTuning(void) {
     LED_A_ON();
     // Let the FPGA drive the high-frequency antenna around 13.56 MHz.
     FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
-    FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
+    FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER);
     SpinDelay(50);
 
 #if defined RDV4
@@ -1616,7 +1616,7 @@ static void PacketReceived(PacketCommandNG *packet) {
                 case 1: // MEASURE_ANTENNA_TUNING_HF_START
                     // Let the FPGA drive the high-frequency antenna around 13.56 MHz.
                     FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
-                    FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
+                    FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER);
                     reply_ng(CMD_MEASURE_ANTENNA_TUNING_HF, PM3_SUCCESS, NULL, 0);
                     break;
                 case 2: