diff --git a/wintun.wxs b/wintun.wxs
index 3d5d1d8..be8b755 100644
--- a/wintun.wxs
+++ b/wintun.wxs
@@ -120,7 +120,7 @@
 			Prevent WoW64 installations.
 		-->
 		<?if $(var.Platform) = "x86"?>
-			<CustomAction Id="WoW64Unsupported" Error="You are attempting to install the 32-bit variant of [ProductName] on a 64-bit operating system. 32-bit variant will not work with your operating system. The installation of the 64-bit variant is recommended."/>
+			<CustomAction Id="WoW64Unsupported" Error="You are attempting to install the 32-bit variant of [ProductName] on a 64-bit operating system, which is not supported. Please install the 64-bit variant instead."/>
 			<InstallExecuteSequence>
 				<Custom Action="WoW64Unsupported" After="LaunchConditions"><![CDATA[VersionNT64]]></Custom>
 			</InstallExecuteSequence>