diff --git a/gnucash/report/business-reports/owner-report.scm b/gnucash/report/business-reports/owner-report.scm
index d71664229a..6c956d5df7 100644
--- a/gnucash/report/business-reports/owner-report.scm
+++ b/gnucash/report/business-reports/owner-report.scm
@@ -748,8 +748,8 @@
      (end-date (gnc:time64-end-day-time 
                (gnc:date-option-absolute-time
                (opt-val gnc:pagename-general optname-to-date))))
-     (book (gnc-account-get-book account))
-     (date-format (if (not (null? book)) (gnc:options-fancy-date book)))
+     (book (gnc-get-current-book))
+     (date-format (gnc:options-fancy-date book))
      (type (opt-val "__reg" "owner-type"))
      (owner-descr (owner-string type))
      (date-type (opt-val gnc:pagename-general optname-date-driver))
diff --git a/gnucash/report/locale-specific/us/taxtxf-de_DE.scm b/gnucash/report/locale-specific/us/taxtxf-de_DE.scm
index f0a0ab85c1..6557dd0f1c 100644
--- a/gnucash/report/locale-specific/us/taxtxf-de_DE.scm
+++ b/gnucash/report/locale-specific/us/taxtxf-de_DE.scm
@@ -505,11 +505,7 @@
                                 (validate (reverse 
                                            (gnc-account-get-children-sorted
                                             (gnc-get-current-root-account))))))
-         (book (if selected-accounts
-                   (gnc-account-get-book (if (pair? selected-accounts)
-                                             (car selected-accounts)
-                                             selected-accounts))
-                   #f))
+         (book (gnc-get-current-book))
          (generations (if (pair? selected-accounts)
                           (apply max (map (lambda (x) (num-generations x 1))
                                           selected-accounts))