diff --git a/NT/init_nt b/NT/init_nt
index 79dfb1b6ef7a2932eb3410899e42a476a84ce98e..f015e75b097ac5334b511d315e1809ca9707d068 100755
--- a/NT/init_nt
+++ b/NT/init_nt
@@ -1,7 +1,14 @@
 #!/bin/sh
 
+# Edit
 NTHOST=kheleyr
 NTDRIVE='j:'
+
+# What dir on the UNIX machine is on $NTDRIVE ?
+# This variable MUST NOT end with a slash.
+NTMOUNT=
+
+# Don't edit
 PATH=`pwd`/tools:$PATH
 CC=rntcc
 NTTOOLS=`pwd`/tools/lib
diff --git a/NT/tools/lib b/NT/tools/lib
index 1fda8363d3614afb39225508f454eefc865c5025..87fc3f9940d4182ad2aa6af4c482a7a8329031bb 100644
--- a/NT/tools/lib
+++ b/NT/tools/lib
@@ -6,11 +6,12 @@ if [ $NT_DEBUG = yes ]; then
 fi
 
 fixpath() {
-  echo "$*" | sed -e 's@/@\\@g'
+  echo "$*" | sed -e "s@$NTMOUNT@@g
+@/@\\@g"
 }
 
 fixabspath() {
-  echo "$*" | sed -e 's@/@\\@g'
+  fixpath "$*"
 }
 
 getntenv() {