diff --git a/build/bakefiles/common.bkl b/build/bakefiles/common.bkl
index a70688ad31..410524ddb6 100644
--- a/build/bakefiles/common.bkl
+++ b/build/bakefiles/common.bkl
@@ -25,10 +25,6 @@
     <!-- FIXME: PalmOS is another candidate to bakefiles -->
     <set var="PLATFORM_PALMOS">0</set>
 
-    <set var="IS_MSVC_PRJ">
-        $(FORMAT in ['msvc6prj','msevc4prj','msvs2003prj','msvs2005prj'])
-    </set>
-
 
     <include file="config.bkl"/>
 
diff --git a/build/bakefiles/config.bkl b/build/bakefiles/config.bkl
index 6d42642937..8c6f6eecc6 100644
--- a/build/bakefiles/config.bkl
+++ b/build/bakefiles/config.bkl
@@ -3,6 +3,10 @@
 
 <makefile>
 
+    <set var="IS_MSVC_PRJ">
+        $(FORMAT in ['msvc6prj','msevc4prj','msvs2003prj','msvs2005prj'])
+    </set>
+
     <set var="BUILDING_LIB" overwrite="0">0</set>
 
     <set var="CPP_DEFAULT_VALUE">