diff --git a/build/bakefiles/wx.bkl b/build/bakefiles/wx.bkl
index fb2d87699e..07f482ee13 100644
--- a/build/bakefiles/wx.bkl
+++ b/build/bakefiles/wx.bkl
@@ -24,7 +24,7 @@
     <!-- ...and when there are multiple libraries: -->
     <include file="multilib.bkl"/>
 
-    <if cond="FORMAT in ['msvc6prj','msevc4prj','msvs2003prj','msvs2005prj','msvs2008prj']">
+    <if cond="IS_MSVC_PRJ">
         <set var="MSVC6PRJ_MERGED_TARGETS">
             <if cond="MONOLITHIC=='0'">$(MSVC6PRJ_MERGED_TARGETS_MULTILIB)</if>
             <if cond="MONOLITHIC=='1'">$(MSVC6PRJ_MERGED_TARGETS_MONOLIB)</if>
@@ -171,8 +171,8 @@
     </if>
 
 
-    <!-- copy setup.h on DOS/OS2/Windows: -->
-    <if cond="FORMAT!='autoconf' and TOOLKIT in ['PM','MSW','MGL','MOTIF']">
+    <!-- copy setup.h on DOS/OS2/Windows if the format supports it: -->
+    <if cond="FORMAT!='autoconf' and IS_MSVC_PRJ=='0' and TOOLKIT in ['PM','MSW','MGL','MOTIF']">
         <mkdir id="libdir">
             <dir>$(LIBDIRNAME)</dir>
         </mkdir>
@@ -202,7 +202,6 @@
             <src>$(SRCDIR)/include/wx/$(SETUP_H_SUBDIR)/setup.h</src>
             <dst>$(SETUPHDIR)/wx/setup.h</dst>
         </copy-file-to-file-if-not-exist>
-
     </if>