diff -bu ./lib/Alien/wxWidgets/Utility.pm~ ./lib/Alien/wxWidgets/Utility.pm
--- ./lib/Alien/wxWidgets/Utility.pm~	2013-04-13 03:15:38.000000000 -0500
+++ ./lib/Alien/wxWidgets/Utility.pm	2013-07-19 16:24:57.200682998 -0500
@@ -74,7 +74,7 @@
 sub awx_cc_is_msvc {
     my( $cc ) = @_;
 
-    return $^O =~ /MSWin32/ and $cc =~ /^cl/i;
+    return ($^O =~ /MSWin32/ and $cc =~ /^cl/i);
 }
 
 sub awx_cc_is_gcc {