diff --git a/php4dllts.dsp b/php4dllts.dsp
index 413acb5be5d..71083a6af92 100644
--- a/php4dllts.dsp
+++ b/php4dllts.dsp
@@ -731,7 +731,7 @@ SOURCE=.\dlist.c
 # Begin Source File
 
 SOURCE=.\ext\wddx\wddx.c
-# ADD CPP /I "ext\xml\expat\xmlparse"
+# ADD CPP /I "ext\xml\expat\xmltok" /I "ext\xml\expat\xmlparse"
 # End Source File
 # Begin Source File