1 files changed, 5 insertions, 4 deletions
diff --git a/Utilities/Release/WiX/CustomAction/detect_nsis_overwrite.cpp b/Utilities/Release/WiX/CustomAction/detect_nsis_overwrite.cpp
index 4b178759d..4ced98738 100644
--- a/Utilities/Release/WiX/CustomAction/detect_nsis_overwrite.cpp
+++ b/Utilities/Release/WiX/CustomAction/detect_nsis_overwrite.cpp
@@ -1,16 +1,17 @@
+#include <string>
+#include <vector>
+
 #include <windows.h>
 
 #include <msi.h>
 #include <msiquery.h>
 
-#include <string>
-#include <vector>
-
 std::wstring get_property(MSIHANDLE msi_handle, std::wstring const& name)
 {
   DWORD size = 0;
 
-  UINT status = MsiGetPropertyW(msi_handle, name.c_str(), L"", &size);
+  WCHAR value_buffer[] = L"";
+  UINT status = MsiGetPropertyW(msi_handle, name.c_str(), value_buffer, &size);
 
   if (status == ERROR_MORE_DATA) {
     std::vector<wchar_t> buffer(size + 1);