Index: openacs-4/packages/file-storage/tcl/file-storage-dav-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/file-storage/tcl/file-storage-dav-procs.tcl,v
diff -u -N -r1.11.2.1 -r1.11.2.2
--- openacs-4/packages/file-storage/tcl/file-storage-dav-procs.tcl	12 Sep 2015 11:06:17 -0000	1.11.2.1
+++ openacs-4/packages/file-storage/tcl/file-storage-dav-procs.tcl	27 Mar 2017 10:44:58 -0000	1.11.2.2
@@ -75,7 +75,7 @@
 	
 	set response [list 204]
     }
-    file delete $tmp_filename
+    file delete -- $tmp_filename
     return $response
 
 }