diff --git a/security/nss/lib/mozpkix/lib/pkixnss.cpp b/security/nss/lib/mozpkix/lib/pkixnss.cpp
index 31aa1ddd67..93ab402bfd 100644
--- a/security/nss/lib/mozpkix/lib/pkixnss.cpp
+++ b/security/nss/lib/mozpkix/lib/pkixnss.cpp
@@ -303,6 +303,28 @@ DigestBufNSS(Input item,
   return Success;
 }
 
+static SECOidTag
+findOIDByName(const char *cipherString)
+{
+  SECOidTag tag;
+  SECOidData *oid;
+
+  for (int i = 1; ; i++) {
+    SECOidTag tag = static_cast<SECOidTag>(i);
+    oid = SECOID_FindOIDByTag(tag);
+
+    if (oid == NULL) {
+      break;
+    }
+
+    if (strcasecmp(oid->desc, cipherString) == 0) {
+      return tag;
+    }
+  }
+
+  return SEC_OID_UNKNOWN;
+}
+
 Result
 VerifyMLDSASignedDataNSS(Input data,
                          Input signature,
@@ -323,17 +345,14 @@ VerifyMLDSASignedDataNSS(Input data,
   SECItem dataItem(UnsafeMapInputToSECItem(data));
   CK_MECHANISM_TYPE mechanism;
 
-  switch (pubk->u.mldsa.paramSet) {
-    case SEC_OID_ML_DSA_44:
-    case SEC_OID_ML_DSA_65:
-    case SEC_OID_ML_DSA_87:
-      mechanism = CKM_ML_DSA;
-      signaturePolicyTag = pubk->u.mldsa.paramSet;
-      hashPolicyTag = SEC_OID_UNKNOWN;
-      break;
-    default:
-      return Result::ERROR_UNSUPPORTED_KEYALG;
-      break;
+  if (pubk->u.mldsa.params == findOIDByName("ML-DSA-44") ||
+      pubk->u.mldsa.params == findOIDByName("ML-DSA-65") ||
+      pubk->u.mldsa.params == findOIDByName("ML-DSA-87")) {
+    hashPolicyTag = SEC_OID_UNKNOWN;
+    mechanism = CKM_ML_DSA;
+    signaturePolicyTag = pubk->u.mldsa.params;
+  } else {
+    return Result::ERROR_UNSUPPORTED_KEYALG;
   }
 
   SECOidTag policyTags[2] = {signaturePolicyTag, hashPolicyTag};