diff --git a/Docs/src/history.but b/Docs/src/history.but
index 722220ac..47c49440 100644
--- a/Docs/src/history.but
+++ b/Docs/src/history.but
@@ -6,6 +6,10 @@ Released on ?
 
 \S1{v3.0a2-cl} Changelog
 
+\S2{} Major Changes
+
+\b !include defaults to UTF-8 after \cw{Unicode True}
+
 \S2{} Minor Changes
 
 \b FileRead in Unicode installers can handle DBCS, conversion output is limited to UCS-2.
diff --git a/Source/script.cpp b/Source/script.cpp
index d153f2cb..1aba0adc 100644
--- a/Source/script.cpp
+++ b/Source/script.cpp
@@ -877,6 +877,12 @@ int CEXEBuild::includeScript(const TCHAR *f, NStreamEncoding&enc)
 {
   NIStream incstrm;
   const bool openok = incstrm.OpenFileForReading(f,enc);
+  if ( // !include defaults to UTF-8 after "Unicode true" 
+    NStreamEncoding::AUTO == enc.GetCodepage() && build_unicode && 
+    enc.GetPlatformDefaultCodepage() == incstrm.StreamEncoding().GetCodepage()
+  ) incstrm.StreamEncoding().SetCodepage(NStreamEncoding::UTF8);
+  enc = incstrm.StreamEncoding();
+
   TCHAR bufcpdisp[20];
   incstrm.StreamEncoding().GetCPDisplayName(bufcpdisp);
   SCRIPT_MSG(_T("!include: \"%s\" (%s)\n"),f,bufcpdisp);