diff --git a/src/Spring/Spring.Web.Mvc/Spring.Web.Mvc.build b/src/Spring/Spring.Web.Mvc/Spring.Web.Mvc.build
index f6dc2df1..41d37d18 100644
--- a/src/Spring/Spring.Web.Mvc/Spring.Web.Mvc.build
+++ b/src/Spring/Spring.Web.Mvc/Spring.Web.Mvc.build
@@ -39,10 +39,10 @@
 				<include name="System.Web.Abstractions.dll"  if="${nant.settings.currentframework=='net-4.0'}" />
  				<include name="System.Web.Services.dll" />
 			
-				<include name="C:\Program Files\Microsoft ASP.NET\ASP.NET MVC 2\Assemblies\System.Web.Mvc.dll" />
-				<include name="C:\Program Files (x86)\Microsoft ASP.NET\ASP.NET MVC 2\Assemblies\System.Web.Mvc.dll" />
-				<include name="C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\System.Web.Routing.dll" if="${nant.settings.currentframework=='net-3.5'}" />
-				<include name="C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\System.Web.Abstractions.dll"  if="${nant.settings.currentframework=='net-3.5'}" />
+				<include name="${programfiles}\Microsoft ASP.NET\ASP.NET MVC 2\Assemblies\System.Web.Mvc.dll" />
+				<include name="${programfilesx86}\Microsoft ASP.NET\ASP.NET MVC 2\Assemblies\System.Web.Mvc.dll" />
+				<include name="${programfiles}\Reference Assemblies\Microsoft\Framework\v3.5\System.Web.Routing.dll" if="${nant.settings.currentframework=='net-3.5'}" />
+				<include name="${programfiles}\Reference Assemblies\Microsoft\Framework\v3.5\System.Web.Abstractions.dll"  if="${nant.settings.currentframework=='net-3.5'}" />
 				
 				<include if="${net-4.0.installed and net-4.0}" name="System.Web.ApplicationServices.dll" />        
 			</references>
diff --git a/src/Spring/Spring.Web.Mvc3/Spring.Web.Mvc3.build b/src/Spring/Spring.Web.Mvc3/Spring.Web.Mvc3.build
index 07759208..dc48ef0e 100644
--- a/src/Spring/Spring.Web.Mvc3/Spring.Web.Mvc3.build
+++ b/src/Spring/Spring.Web.Mvc3/Spring.Web.Mvc3.build
@@ -39,8 +39,8 @@
 				<include name="System.Web.Abstractions.dll"/>
  				<include name="System.Web.Services.dll" />
 			
-				<include name="C:\Program Files\Microsoft ASP.NET\ASP.NET MVC 3\Assemblies\System.Web.Mvc.dll" />
-				<include name="C:\Program Files (x86)\Microsoft ASP.NET\ASP.NET MVC 3\Assemblies\System.Web.Mvc.dll" />
+				<include name="${programfiles}\Microsoft ASP.NET\ASP.NET MVC 3\Assemblies\System.Web.Mvc.dll" />
+				<include name="${programfilesx86}\Microsoft ASP.NET\ASP.NET MVC 3\Assemblies\System.Web.Mvc.dll" />
 				
 				<include name="System.Web.ApplicationServices.dll" />        
 			</references>
diff --git a/src/Spring/Spring.Web.Mvc4/Spring.Web.Mvc4.build b/src/Spring/Spring.Web.Mvc4/Spring.Web.Mvc4.build
index 003dff68..f7db7f55 100644
--- a/src/Spring/Spring.Web.Mvc4/Spring.Web.Mvc4.build
+++ b/src/Spring/Spring.Web.Mvc4/Spring.Web.Mvc4.build
@@ -39,12 +39,12 @@
 				<include name="System.Web.Abstractions.dll"/>
  				<include name="System.Web.Services.dll" />
 			
-				<include name="C:\Program Files\Microsoft ASP.NET\ASP.NET MVC 4\Assemblies\System.Web.Mvc.dll" />
-				<include name="C:\Program Files (x86)\Microsoft ASP.NET\ASP.NET MVC 4\Assemblies\System.Web.Mvc.dll" />
-				<include name="C:\Program Files\Microsoft ASP.NET\ASP.NET MVC 4\Assemblies\System.Web.Http.dll" />
-				<include name="C:\Program Files (x86)\Microsoft ASP.NET\ASP.NET MVC 4\Assemblies\System.Web.Http.dll" />
-				<include name="C:\Program Files\Microsoft ASP.NET\ASP.NET MVC 4\Assemblies\System.Web.Http.WebHost.dll" />
-				<include name="C:\Program Files (x86)\Microsoft ASP.NET\ASP.NET MVC 4\Assemblies\System.Web.Http.WebHost.dll" />
+				<include name="${programfiles}\Microsoft ASP.NET\ASP.NET MVC 4\Assemblies\System.Web.Mvc.dll" />
+				<include name="${programfilesx86}\Microsoft ASP.NET\ASP.NET MVC 4\Assemblies\System.Web.Mvc.dll" />
+				<include name="${programfiles}\Microsoft ASP.NET\ASP.NET MVC 4\Assemblies\System.Web.Http.dll" />
+				<include name="${programfilesx86}\Microsoft ASP.NET\ASP.NET MVC 4\Assemblies\System.Web.Http.dll" />
+				<include name="${programfiles}\Microsoft ASP.NET\ASP.NET MVC 4\Assemblies\System.Web.Http.WebHost.dll" />
+				<include name="${programfilesx86}\Microsoft ASP.NET\ASP.NET MVC 4\Assemblies\System.Web.Http.WebHost.dll" />
 				
 				<include name="System.Web.ApplicationServices.dll" />        
 			</references>