diff --git a/main/coregrind/m_syswrap/syswrap-linux.c b/main/coregrind/m_syswrap/syswrap-linux.c
index 526ff0c..7c4a790 100644
--- a/main/coregrind/m_syswrap/syswrap-linux.c
+++ b/main/coregrind/m_syswrap/syswrap-linux.c
@@ -4299,11 +4299,14 @@
    /* undocumented ioctl ids noted on the device */
    case 0x4d07:
    case 0x6101:
+   case 0xfa01: /* used by NFC */
+   case 0xfa05: /* used by NFC */
       return;
 #  elif defined(ANDROID_HARDWARE_nexus_7)
    /* undocumented ioctl ids noted on the device */
    case 0x4e04:
    case 0x7231:
+   case 0x4004e901: /* used by NFC */
       return;
 #  endif