diff --git a/build_nfs.sh b/build_nfs.sh
index f2a7b13..185d0ad 100755
--- a/build_nfs.sh
+++ b/build_nfs.sh
@@ -99,7 +99,7 @@
 
 # Use this version of devstack?
 if [ "$USE_CURRENT_DEVSTACK" = "1" ]; then
-    rm -rf $$CHROOTCACHE/natty-stack/$DEST/devstack
+    rm -rf $CHROOTCACHE/natty-stack/$DEST/devstack
     cp -pr $CWD $CHROOTCACHE/natty-stack/$DEST/devstack
 fi