1 files changed, 8 insertions, 0 deletions
diff --git a/ttd.dsp b/ttd.dsp
index 37bb0b65c..02681a03f 100644
--- a/ttd.dsp
+++ b/ttd.dsp
@@ -297,6 +297,10 @@ SOURCE=.\settings.c
 # End Source File
 
 # Begin Source File
+SOURCE=.\signs.c
+# End Source File
+
+# Begin Source File
 SOURCE=.\sound.c
 # End Source File
 
@@ -510,6 +514,10 @@ SOURCE=.\saveload.h
 # End Source File
 
 # Begin Source File
+SOURCE=.\signs.h
+# End Source File
+
+# Begin Source File
 SOURCE=.\sound.h
 # End Source File