diff --git a/mk/config.mk.in b/mk/config.mk.in
index 3b065c38123d6a735348fea4e38385d430e3918a..57910d4a245cd468714249d3a0185c669bbc7cb2 100644
--- a/mk/config.mk.in
+++ b/mk/config.mk.in
@@ -385,12 +385,12 @@ BUILDPLATFORM			= @HostPlatform@
 
 # Hack alert:
 # in one or two places, we need to get at the OS version (major and perhaps even minor),
-# HOSTPLATFORM_GNU is the cpu-manufacturer-os name reported by AC_CANONICAL_SYSTEM.
+# HostOS_Full is the OS name reported by AC_CANONICAL_SYSTEM.
 #
-HostPlatform_GNU		= @HostPlatformFull@
 HostPlatform_CPP		= @HostPlatform_CPP@
 HostArch_CPP			= @HostArch_CPP@
 HostOS_CPP			= @HostOS_CPP@
+HostOS_Full			= @HostOS_Full@
 HostVendor_CPP	                = @HostVendor_CPP@
 
 #