diff --git a/src/cryptography/hazmat/primitives/asymmetric/utils.py b/src/cryptography/hazmat/primitives/asymmetric/utils.py
index f04eb66..29390e4 100644
--- a/src/cryptography/hazmat/primitives/asymmetric/utils.py
+++ b/src/cryptography/hazmat/primitives/asymmetric/utils.py
@@ -32,7 +32,7 @@
     # pyasn1 can erroneously return this from top-level DER decoding.
     # It's intended as a sentinel in recursive BER decoding, so it's
     # returned even though an asn1Spec is provided.
-    if data == eoo.endOfOctets:
+    if eoo.endOfOctets.isSameTypeWith(data) and data == eoo.endOfOctets:
         raise ValueError("Invalid signature data. Unable to decode ASN.1")
 
     r = int(data.getComponentByName('r'))