diff --git a/contracts/v0.8/cbor/VerifRegCbor.sol b/contracts/v0.8/cbor/VerifRegCbor.sol
index 5c506db..1f30ef4 100644
--- a/contracts/v0.8/cbor/VerifRegCbor.sol
+++ b/contracts/v0.8/cbor/VerifRegCbor.sol
@@ -104,8 +104,8 @@ library VerifRegCBOR {
 
         for (uint i = 0; i < len; i++) {
             (ilen, byteIdx) = rawResp.readFixedArray(byteIdx);
-            if (!(len == 8)) {
-                revert Errors.InvalidArrayLength(8, len);
+            if (!(ilen == 8)) {
+                revert Errors.InvalidArrayLength(8, ilen);
             }
 
             (ret.claims[i].provider, byteIdx) = rawResp.readFilActorId(byteIdx);