diff --git a/webif/lib/auto/plugin/shrink/queue.hook b/webif/lib/auto/plugin/shrink/queue.hook
index b99d32b..32477f2 100644
--- a/webif/lib/auto/plugin/shrink/queue.hook
+++ b/webif/lib/auto/plugin/shrink/queue.hook
@@ -77,7 +77,7 @@ proc ::shrink::dequeue {q ts} {
 	# Move the shrunken version back to the local directory.
 	foreach f [glob "$tmp/shrunk.*"] {
 		set ext [file extension $f]
-		file rename $f "${file}_shrunk${ext}"
+		file rename -force $f "${file}_shrunk${ext}"
 		# Set the file time to match the old file
 		file touch "${file}_shrunk${ext}" [$ts get file]
 	}
@@ -93,7 +93,7 @@ proc ::shrink::dequeue {q ts} {
 	foreach ext $tsgroup {
 		set f "${file}_shrunk.$ext"
 		if {[file exists $f]} {
-			file rename $f "${file}.$ext"
+			file rename -force $f "${file}.$ext"
 		}
 	}
 	$ts set_shrunk