diff --git a/development/scons/scons_manifest.py b/development/scons/scons_manifest.py
index 1eb2d53ae4..7d4da03330 100644
--- a/development/scons/scons_manifest.py
+++ b/development/scons/scons_manifest.py
@@ -586,12 +586,12 @@ src_tex2lyx_header_files = Split('''
 
 
 src_tex2lyx_files = Split('''
+    boost.cpp
     Context.cpp
     Font.cpp
-    Parser.cpp
-    boost.cpp
     gettext.cpp
     math.cpp
+    Parser.cpp
     preamble.cpp
     table.cpp
     tex2lyx.cpp
@@ -611,11 +611,11 @@ src_tex2lyx_copied_files = Split('''
     FloatList.cpp
     Floating.cpp
     Layout.cpp
-    ModuleList.cpp
+    lengthcommon.cpp
     Lexer.cpp
+    ModuleList.cpp
     TextClass.cpp
     insets/InsetLayout.cpp
-    lengthcommon.cpp
 ''')
 
 
@@ -634,6 +634,7 @@ src_tex2lyx_extra_files = Split('''
 
 
 src_frontends_header_files = Split('''
+    alert.h
     Application.h
     Clipboard.h
     FontLoader.h
@@ -641,12 +642,11 @@ src_frontends_header_files = Split('''
     KeyModifier.h
     KeySymbol.h
     LyXView.h
+    mouse_state.h
     Painter.h
     Selection.h
     WorkArea.h
     WorkAreaManager.h
-    alert.h
-    mouse_state.h
 ''')