2 files changed, 3 insertions, 6 deletions

diff --git a/src/api/burn/balutil/BalBootstrapperEngine.cpp b/src/api/burn/balutil/BalBootstrapperEngine.cpp
index 301b88a5..898a8a15 100644
--- a/src/api/burn/balutil/BalBootstrapperEngine.cpp
+++ b/src/api/burn/balutil/BalBootstrapperEngine.cpp
@@ -312,8 +312,7 @@ public: // IBootstrapperEngine
         __in_z_opt LPCWSTR wzDownloadSource,
         __in DWORD64 qwSize,
         __in BOOTSTRAPPER_UPDATE_HASH_TYPE hashType,
-        __in_bcount_opt(cbHash) BYTE* rgbHash,
-        __in DWORD cbHash
+        __in_z_opt LPCWSTR wzHash
         )
     {
         BAENGINE_SETUPDATE_ARGS args = { };
@@ -324,8 +323,7 @@ public: // IBootstrapperEngine
         args.wzDownloadSource = wzDownloadSource;
         args.qwSize = qwSize;
         args.hashType = hashType;
-        args.rgbHash = rgbHash;
-        args.cbHash = cbHash;
+        args.wzHash = wzHash;
 
         results.cbSize = sizeof(results);
 
diff --git a/src/api/burn/balutil/inc/IBootstrapperEngine.h b/src/api/burn/balutil/inc/IBootstrapperEngine.h
index ccb07f4f..2a108223 100644
--- a/src/api/burn/balutil/inc/IBootstrapperEngine.h
+++ b/src/api/burn/balutil/inc/IBootstrapperEngine.h
@@ -65,8 +65,7 @@ DECLARE_INTERFACE_IID_(IBootstrapperEngine, IUnknown, "6480D616-27A0-44D7-905B-8
         __in_z_opt LPCWSTR wzDownloadSource,
         __in DWORD64 qwSize,
         __in BOOTSTRAPPER_UPDATE_HASH_TYPE hashType,
-        __in_bcount_opt(cbHash) BYTE* rgbHash,
-        __in DWORD cbHash
+        __in_z_opt LPCWSTR wzHash
         ) = 0;
 
     STDMETHOD(SetLocalSource)(