diff --git a/src/sbbs3/sbbs.dsp b/src/sbbs3/sbbs.dsp
index 1607d708f84a99a08104e08faa44bf8d01c61491..829bb09388f68f8902ea305cf97b1881d662898d 100644
--- a/src/sbbs3/sbbs.dsp
+++ b/src/sbbs3/sbbs.dsp
@@ -275,6 +275,10 @@ SOURCE=.\js_socket.c
 # End Source File
 # Begin Source File
 
+SOURCE=.\js_sprintf.c
+# End Source File
+# Begin Source File
+
 SOURCE=.\js_system.c
 # End Source File
 # Begin Source File