diff --git a/sdk/storage/azure-storage-blobs/src/blob_container_client.cpp b/sdk/storage/azure-storage-blobs/src/blob_container_client.cpp
index 59d6dd62c..a2481ecfc 100644
--- a/sdk/storage/azure-storage-blobs/src/blob_container_client.cpp
+++ b/sdk/storage/azure-storage-blobs/src/blob_container_client.cpp
@@ -257,7 +257,7 @@ namespace Azure { namespace Storage { namespace Blobs {
       {
         i.IsCurrentVersion = false;
       }
-      if (i.BlobType == Models::BlobType::AppendBlob && !i.Details.IsSealed)
+      if (i.BlobType == Models::BlobType::AppendBlob && !i.Details.IsSealed.HasValue())
       {
         i.Details.IsSealed = false;
       }
@@ -310,7 +310,7 @@ namespace Azure { namespace Storage { namespace Blobs {
       {
         i.IsCurrentVersion = false;
       }
-      if (i.BlobType == Models::BlobType::AppendBlob && !i.Details.IsSealed)
+      if (i.BlobType == Models::BlobType::AppendBlob && !i.Details.IsSealed.HasValue())
       {
         i.Details.IsSealed = false;
       }