diff --git a/lib/WebGUI/Session.pm b/lib/WebGUI/Session.pm
index 9c4e971bf..ecd00fd86 100644
--- a/lib/WebGUI/Session.pm
+++ b/lib/WebGUI/Session.pm
@@ -319,7 +319,7 @@ sub open {
 	###----------------------------
 	### operating system specific things
 	$session{os}{name} = $^O;
-	if ($session{os}{name} =~ /Win/) {
+	if ($session{os}{name} =~ /MSWin32/i || $session{os}{name} =~ /^Win/i) {
 		$session{os}{type} = "Windowsish";
 		$session{os}{slash} = "\\";
 	} else {
diff --git a/sbin/testEnvironment.pl b/sbin/testEnvironment.pl
index 1fa656653..82e5ebc3e 100644
--- a/sbin/testEnvironment.pl
+++ b/sbin/testEnvironment.pl
@@ -221,7 +221,7 @@ sub getLatestWebguiVersion {
 
 #----------------------------------------
 sub getOs {
-	if ($^O =~ /^Win/) {
+	if ($^O =~ /MSWin32/i || $^O =~ /^Win/i) {
 		return "Windowsish";
 	}
 	return "Linuxish";