diff --git a/src/nfc/tags/rw_i93.cc b/src/nfc/tags/rw_i93.cc
index 6c49db8..996ec41 100644
--- a/src/nfc/tags/rw_i93.cc
+++ b/src/nfc/tags/rw_i93.cc
@@ -2698,7 +2698,7 @@
           (p_i93->product_version == RW_I93_TAG_IT_HF_I_PRO_CHIP_INLAY) ||
           ((p_i93->uid[1] == I93_UID_IC_MFG_CODE_NXP) &&
            (p_i93->ic_reference & I93_ICODE_IC_REF_MBREAD_MASK))) {
-        if ((*p) & I93_BLOCK_LOCKED) {
+        if (length == 0 || ((*p) & I93_BLOCK_LOCKED)) {
           rw_i93_handle_error(NFC_STATUS_FAILED);
           break;
         }