diff --git a/src/winusb b/src/winusb
index d886a07..31d073a 100755
--- a/src/winusb
+++ b/src/winusb
@@ -795,8 +795,8 @@ copy_filesystem_files(){
 
 	pushd "${source_fs_mountpoint}"
 
-	local -r file_list
-	file_list$(\
+	local file_list
+	file_list=$(\
 		find\
 			.\
 			-not -path "."\