diff --git a/mozilla/ef/Driver/StandAloneJava/winbuild/Package/Package.dsp b/mozilla/ef/Driver/StandAloneJava/winbuild/Package/Package.dsp
index 83ef859476d..cd6e17c4a5b 100644
--- a/mozilla/ef/Driver/StandAloneJava/winbuild/Package/Package.dsp
+++ b/mozilla/ef/Driver/StandAloneJava/winbuild/Package/Package.dsp
@@ -203,6 +203,11 @@ SOURCE=\
 # End Source File
 # Begin Source File
 
+SOURCE=\
+..\..\..\..\Packages\java\lang\nativesrc\geninclude\java_lang_Thread.h
+# End Source File
+# Begin Source File
+
 SOURCE=\
 ..\..\..\..\Packages\java\lang\nativesrc\geninclude\java_lang_Throwable.h
 # End Source File