diff --git a/openttd.dsp b/openttd.dsp
--- a/openttd.dsp
+++ b/openttd.dsp
@@ -1004,6 +1004,10 @@ SOURCE=.\table\clear_land.h
 # End Source File
 # Begin Source File
 
+SOURCE=.\table\elrail_data.h
+# End Source File
+# Begin Source File
+
 SOURCE=.\table\engines.h
 # End Source File
 # Begin Source File