diff --git a/js/js2/winbuild/js2.dsp b/js/js2/winbuild/js2.dsp
index cbd8cfee59e..994eebc6914 100644
--- a/js/js2/winbuild/js2.dsp
+++ b/js/js2/winbuild/js2.dsp
@@ -86,6 +86,10 @@ LINK32=link.exe
 # PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
 # Begin Source File
 
+SOURCE=..\debugger.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=..\hash.cpp
 # End Source File
 # Begin Source File
diff --git a/js2/src/winbuild/js2.dsp b/js2/src/winbuild/js2.dsp
index cbd8cfee59e..994eebc6914 100644
--- a/js2/src/winbuild/js2.dsp
+++ b/js2/src/winbuild/js2.dsp
@@ -86,6 +86,10 @@ LINK32=link.exe
 # PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
 # Begin Source File
 
+SOURCE=..\debugger.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=..\hash.cpp
 # End Source File
 # Begin Source File