diff --git a/Source/build.cpp b/Source/build.cpp
index 83c61712..276af303 100644
--- a/Source/build.cpp
+++ b/Source/build.cpp
@@ -3650,7 +3650,7 @@ bool CEXEBuild::prompt_for_output_path(TCHAR*path, UINT pathcap) const
       if (Msg == WM_COPYDATA && pCDS->cbData > sizeof(TCHAR) && pCDS->cbData <= io[2] * sizeof(TCHAR))
       {
         _tcscpy((TCHAR*) io[1], (TCHAR*) ((COPYDATASTRUCT*)lParam)->lpData);
-        return (io[0] = (pCDS->dwData == PROMPT_FILEPATH));
+        return (io[0] = (pCDS->dwData == MakensisAPI::PROMPT_FILEPATH));
       }
       return false;
     }
diff --git a/Source/manifest.cpp b/Source/manifest.cpp
index bca83eab..832e5642 100644
--- a/Source/manifest.cpp
+++ b/Source/manifest.cpp
@@ -127,7 +127,7 @@ static bool append(string& xml, const TCHAR*path, const char*prefix = 0, const c
   bool any = false;
   int i = isvalidappendpath(path);
   if (i >= 0)
-    for (std::size_t j = 0; j < g_appendstrings[i].size(); ++j)
+    for (size_t j = 0; j < g_appendstrings[i].size(); ++j)
     {
       if (!any && prefix) xml += prefix, any = true;
       xml += g_appendstrings[i][j];