diff --git a/sdk/storage/azure-storage-files-datalake/inc/azure/storage/files/datalake/rest_client.hpp b/sdk/storage/azure-storage-files-datalake/inc/azure/storage/files/datalake/rest_client.hpp
index a2d73be699..cce269de95 100644
--- a/sdk/storage/azure-storage-files-datalake/inc/azure/storage/files/datalake/rest_client.hpp
+++ b/sdk/storage/azure-storage-files-datalake/inc/azure/storage/files/datalake/rest_client.hpp
@@ -162,7 +162,7 @@ namespace Azure { namespace Storage { namespace Files { namespace DataLake {
        * The value of this header is set to true if the contents of the request are successfully
        * encrypted using the specified algorithm, and false otherwise.
        */
-      Nullable<bool> IsServerEncrypted;
+      bool IsServerEncrypted = bool();
       /**
        * The SHA-256 hash of the encryption key used to encrypt the blob. This header is only
        * returned when the blob was encrypted with a customer-provided key.
@@ -298,7 +298,7 @@ namespace Azure { namespace Storage { namespace Files { namespace DataLake {
        * The value of this header is set to true if the contents of the request are successfully
        * encrypted using the specified algorithm, and false otherwise.
        */
-      Nullable<bool> IsServerEncrypted;
+      bool IsServerEncrypted = bool();
       /**
        * The SHA-256 hash of the encryption key used to encrypt the blob. This header is only
        * returned when the blob was encrypted with a customer-provided key.
@@ -319,7 +319,7 @@ namespace Azure { namespace Storage { namespace Files { namespace DataLake {
        * The value of this header is set to true if the contents of the request are successfully
        * encrypted using the specified algorithm, and false otherwise.
        */
-      Nullable<bool> IsServerEncrypted;
+      bool IsServerEncrypted = bool();
       /**
        * The SHA-256 hash of the encryption key used to encrypt the blob. This header is only
        * returned when the blob was encrypted with a customer-provided key.
diff --git a/sdk/storage/azure-storage-files-datalake/src/rest_client.cpp b/sdk/storage/azure-storage-files-datalake/src/rest_client.cpp
index c105e1428a..a88801e2db 100644
--- a/sdk/storage/azure-storage-files-datalake/src/rest_client.cpp
+++ b/sdk/storage/azure-storage-files-datalake/src/rest_client.cpp
@@ -691,11 +691,8 @@ namespace Azure { namespace Storage { namespace Files { namespace DataLake {
       response.LastModified = DateTime::Parse(
           pRawResponse->GetHeaders().at("Last-Modified"), Azure::DateTime::DateFormat::Rfc1123);
       response.FileSize = std::stoll(pRawResponse->GetHeaders().at("Content-Length"));
-      if (pRawResponse->GetHeaders().count("x-ms-request-server-encrypted") != 0)
-      {
-        response.IsServerEncrypted
-            = pRawResponse->GetHeaders().at("x-ms-request-server-encrypted") == std::string("true");
-      }
+      response.IsServerEncrypted
+          = pRawResponse->GetHeaders().at("x-ms-request-server-encrypted") == std::string("true");
       if (pRawResponse->GetHeaders().count("x-ms-encryption-key-sha256") != 0)
       {
         response.EncryptionKeySha256 = Core::Convert::Base64Decode(
@@ -775,11 +772,8 @@ namespace Azure { namespace Storage { namespace Files { namespace DataLake {
             = Core::Convert::Base64Decode(pRawResponse->GetHeaders().at("x-ms-content-crc64"));
         response.TransactionalContentHash.Value().Algorithm = HashAlgorithm::Crc64;
       }
-      if (pRawResponse->GetHeaders().count("x-ms-request-server-encrypted") != 0)
-      {
-        response.IsServerEncrypted
-            = pRawResponse->GetHeaders().at("x-ms-request-server-encrypted") == std::string("true");
-      }
+      response.IsServerEncrypted
+          = pRawResponse->GetHeaders().at("x-ms-request-server-encrypted") == std::string("true");
       if (pRawResponse->GetHeaders().count("x-ms-encryption-key-sha256") != 0)
       {
         response.EncryptionKeySha256 = Core::Convert::Base64Decode(
diff --git a/sdk/storage/azure-storage-files-datalake/swagger/README.md b/sdk/storage/azure-storage-files-datalake/swagger/README.md
index b7c915b212..1ff26382ab 100644
--- a/sdk/storage/azure-storage-files-datalake/swagger/README.md
+++ b/sdk/storage/azure-storage-files-datalake/swagger/README.md
@@ -259,6 +259,7 @@ directive:
       $["201"].headers["Content-Length"]["x-ms-client-name"] = "FileSize";
       $["201"].headers["Content-Length"]["x-nullable"] = true;
       $["201"].headers["x-ms-request-server-encrypted"]["x-nullable"] = true;
+      $["201"].headers["x-ms-request-server-encrypted"]["x-ms-client-default"] = "bool()";
       $["201"].headers["x-ms-encryption-key-sha256"]["x-nullable"] = true;
       delete $["201"].headers["x-ms-continuation"];
       $["201"].schema = {
@@ -436,7 +437,6 @@ directive:
       $["Content-MD5"]["x-nullable"] = true;
       $["x-ms-content-crc64"]["x-ms-client-name"] = "TransactionalContentHash";
       $["x-ms-content-crc64"]["x-nullable"] = true;
-      $["x-ms-request-server-encrypted"]["x-nullable"] = true;
       $["x-ms-encryption-key-sha256"]["x-nullable"] = true;
       delete $["ETag"];
 ```
@@ -449,6 +449,5 @@ directive:
     where: $["x-ms-paths"]["/{filesystem}/{path}?action=flush"].patch.responses["200"].headers
     transform: >
       $["Content-Length"]["x-ms-client-name"] = "FileSize";
-      $["x-ms-request-server-encrypted"]["x-nullable"] = true;
       $["x-ms-encryption-key-sha256"]["x-nullable"] = true;
 ```
\ No newline at end of file