diff --git a/development/scons/scons_manifest.py b/development/scons/scons_manifest.py
index fcd1aecb6b..ca3ed4f2c7 100644
--- a/development/scons/scons_manifest.py
+++ b/development/scons/scons_manifest.py
@@ -608,6 +608,7 @@ src_tex2lyx_copied_header_files = Split('''
 src_tex2lyx_copied_files = Split('''
     Color.cpp
     Counters.cpp
+    Encoding.cpp
     FloatList.cpp
     Floating.cpp
     Layout.cpp