diff --git a/nfc/nfc_hw.c b/nfc/nfc_hw.c
index b77a9b6..4b4dda5 100644
--- a/nfc/nfc_hw.c
+++ b/nfc/nfc_hw.c
@@ -33,6 +33,7 @@
     ,{0x00,0x9B,0x84,0x13} // ANACM2 setting
     ,{0x00,0x99,0x81,0x7F} // ANAVMID setting PCD
     ,{0x00,0x99,0x31,0x70} // ANAVMID setting PICC
+    ,{0x00,0x99,0x29,0xF6} // Load modulation amplitude fine tuning (???)
 
     // Enable PBTF
     ,{0x00,0x98,0x00,0x3F} // SECURE_ELEMENT_CONFIGURATION - No Secure Element