diff --git a/bin/cygport.in b/bin/cygport.in
index 1fe804d..2eeff26 100755
--- a/bin/cygport.in
+++ b/bin/cygport.in
@@ -397,7 +397,7 @@ if [ "x${_topdir}" = "x${argv[1]}" ]
 then
 	if [ -f ./${cygportfile} ]
 	then
-		_topdir=.;
+		_topdir=$(readlink -f .);
 	else
 		_topdir=/usr/src;
 	fi