diff --git a/aclocal/canonical-host.m4 b/aclocal/canonical-host.m4
index 3f92cfa5bb..8efddbb7c8 100644
--- a/aclocal/canonical-host.m4
+++ b/aclocal/canonical-host.m4
@@ -7,13 +7,16 @@ RTEMS_HOST=$host_os
 changequote(,)dnl
 case "${target}" in
   # hpux unix port should go here
-  i[3456]86-pc-linux*)         # unix "simulator" port
+  i[3456]86-pc-linux*)          # unix "simulator" port
         RTEMS_HOST=Linux
 	;;
-  i[3456]86-*freebsd2*) # unix "simulator" port
+  i[3456]86-*freebsd2*)         # unix "simulator" port
         RTEMS_HOST=FreeBSD
 	;;
-  sparc-sun-solaris*)             # unix "simulator" port
+  i[3456]86-pc-cygwin*) 	# Cygwin is just enough unix like :)
+        RTEMS_HOST=Cygwin
+	;;
+  sparc-sun-solaris*)           # unix "simulator" port
         RTEMS_HOST=Solaris
 	;;
   *)