diff --git a/lens/private/syntax/syntax.rkt b/lens/private/syntax/syntax.rkt
index c7a7320..cef8d96 100644
--- a/lens/private/syntax/syntax.rkt
+++ b/lens/private/syntax/syntax.rkt
@@ -53,14 +53,15 @@
       [(a ...) (ormap (target-stx target-id) (syntax->list #'(a ...)))]
       [a (and (bound-identifier=? target-id #'a) #'a)]))
   
-  (define template->pattern
-    (syntax-parser #:literals (_)
-      [(a ...) #`(#,@(stx-map template->pattern #'(a ...)))]
-      [_ (generate-temporary)]
+  (define (template->pattern stx)
+    (syntax-parse stx
+      ;; preserve lexical context, source location, and properties
+      [(a ...) (datum->syntax stx (stx-map template->pattern #'(a ...)) stx stx)]
+      [(~literal _) (generate-temporary)]
       [a #'a]))
   
   (define ((template-rebuilder target-id) parse-pattern)
     (with-syntax ([pat parse-pattern])
       #`(lambda (stx)
           (with-syntax ([#,target-id stx])
-            #'pat)))))
\ No newline at end of file
+            #'pat)))))