diff --git a/block/opal_proto.h b/block/opal_proto.h
index 325cbba2465f..b486b3ec7dc4 100644
--- a/block/opal_proto.h
+++ b/block/opal_proto.h
@@ -36,6 +36,7 @@ enum opal_response_token {
 
 #define DTAERROR_NO_METHOD_STATUS 0x89
 #define GENERIC_HOST_SESSION_NUM 0x41
+#define FIRST_TPER_SESSION_NUM	4096
 
 #define TPER_SYNC_SUPPORTED 0x01
 #define MBR_ENABLED_MASK 0x10
diff --git a/block/sed-opal.c b/block/sed-opal.c
index 880cc57a5f6b..daafadbb88ca 100644
--- a/block/sed-opal.c
+++ b/block/sed-opal.c
@@ -1056,7 +1056,7 @@ static int start_opal_session_cont(struct opal_dev *dev)
 	hsn = response_get_u64(&dev->parsed, 4);
 	tsn = response_get_u64(&dev->parsed, 5);
 
-	if (hsn == 0 && tsn == 0) {
+	if (hsn != GENERIC_HOST_SESSION_NUM || tsn < FIRST_TPER_SESSION_NUM) {
 		pr_debug("Couldn't authenticate session\n");
 		return -EPERM;
 	}