diff --git a/targets/stm32l432/src/nfc.c b/targets/stm32l432/src/nfc.c
index f412187..51e34bb 100644
--- a/targets/stm32l432/src/nfc.c
+++ b/targets/stm32l432/src/nfc.c
@@ -74,7 +74,11 @@ int nfc_init()
     // Under USB power.  Configure AMS chip.
     ams_configure();
 
-    return NFC_IS_AVAILABLE;
+    if (init)
+    {
+        return NFC_IS_AVAILABLE;
+    }
+
     return NFC_IS_NA;
 }