diff --git a/src/sbbs3/sbbs.dsp b/src/sbbs3/sbbs.dsp
index a1cb88bacdae99c335a3239339130f583ab3aefd..7d584dc3137c7858c991c3af3b3bb4957aad7769 100644
--- a/src/sbbs3/sbbs.dsp
+++ b/src/sbbs3/sbbs.dsp
@@ -129,6 +129,10 @@ SOURCE=.\con_out.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=.\crc32.c
+# End Source File
+# Begin Source File
+
 SOURCE=.\data.cpp
 # End Source File
 # Begin Source File