diff --git a/guix-data-service/model/package-metadata.scm b/guix-data-service/model/package-metadata.scm
index f1ffdbf..91a8445 100644
--- a/guix-data-service/model/package-metadata.scm
+++ b/guix-data-service/model/package-metadata.scm
@@ -200,7 +200,9 @@ WHERE packages.id IN (
    (match-lambda
      ((synopsis synopsis-locale description description-locale home-page file line column-number
                 license-json)
-      (list synopsis synopsis-locale description description-locale home-page file line column-number
+      (list synopsis synopsis-locale description description-locale home-page file
+            (and=> line string->number)
+            (and=> column-number string->number)
             (if (string-null? license-json)
                 #()
                 (json-string->scm license-json)))))
diff --git a/guix-data-service/web/revision/controller.scm b/guix-data-service/web/revision/controller.scm
index 9d900d7..2308d01 100644
--- a/guix-data-service/web/revision/controller.scm
+++ b/guix-data-service/web/revision/controller.scm
@@ -999,6 +999,10 @@
                           licenses))
                `((synopsis . ,(texinfo->variants-alist synopsis synopsis-locale))
                  (description . ,(texinfo->variants-alist description description-locale))
+                 (location
+                  . ((file   . ,file)
+                     (line   . ,line)
+                     (column . ,column-number)))
                  (home-page . ,home-page))))
           (derivations . ,(list->vector
                            (map (match-lambda