diff --git a/wp7/bin/check_reqs.js b/wp7/bin/check_reqs.js
index b483841..3c59e35 100644
--- a/wp7/bin/check_reqs.js
+++ b/wp7/bin/check_reqs.js
@@ -53,7 +53,7 @@
         WScript.Sleep(100);
     }
 
-    //Check that command executed 
+    //Check that command executed
     if (!out.StdErr.AtEndOfStream) {
         var line = out.StdErr.ReadLine();
         Log(fail_msg, true);
@@ -80,7 +80,7 @@
     var cmd = 'msbuild -version'
     var fail_msg = 'The command `msbuild` failed. Make sure you have the latest Windows Phone SDKs installed, AND have the latest .NET framework added to your path (i.e C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319).'
     var output = check_command(cmd, fail_msg);
-    var msversion = output.match(/\.NET\sFramework\,\sversion\s4\.0/);
+    var msversion = output.match(/\.NET\sFramework\,\sversion\s4\.0/i);
     if (!msversion) {
         Log('Please install the .NET Framwork v4.0.30319 (in the latest windows phone SDK\'s).', true);
         Log('Make sure the "msbuild" command in your path is pointing to  v4.0.30319 of msbuild as well (inside C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319).', true);