diff --git a/mozilla/embedding/tests/winEmbed/winembed.dsp b/mozilla/embedding/tests/winEmbed/winembed.dsp
index fb1182fb181..e28cef5604e 100644
--- a/mozilla/embedding/tests/winEmbed/winembed.dsp
+++ b/mozilla/embedding/tests/winEmbed/winembed.dsp
@@ -94,6 +94,10 @@ SOURCE=.\WebBrowserChrome.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=.\WindowCreator.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=.\winEmbed.cpp
 # End Source File
 # End Group
@@ -114,6 +118,10 @@ SOURCE=.\WebBrowserChrome.h
 # End Source File
 # Begin Source File
 
+SOURCE=.\WindowCreator.h
+# End Source File
+# Begin Source File
+
 SOURCE=.\winEmbed.h
 # End Source File
 # End Group