diff --git a/gnucash/report/report-utilities.scm b/gnucash/report/report-utilities.scm
index eaf42e5eef..9974e2d6d4 100644
--- a/gnucash/report/report-utilities.scm
+++ b/gnucash/report/report-utilities.scm
@@ -995,49 +995,49 @@ query instead.")
 ;;                 amount does not match the transaction amount
 ;; overpayment: a number indicating overpayment amount
 (define (gnc:payment-txn->payment-info txn)
-(let* ((apar-split (xaccTransGetFirstAPARAcctSplit txn #t))
-       (apar-acct (xaccSplitGetAccount apar-split)))
-  (let lp ((splits (xaccTransGetSplitList txn))
-           (invoices '())
-           (overpayment 0)
-           (opposing-splits '()))
-    (match splits
-      (() (vector invoices opposing-splits overpayment))
-      (((? not-APAR? split) . rest)
-       (gnc:msg "next " (gnc:strify split) " overpayment " (+ overpayment (xaccSplitConvertAmount split apar-acct)))
-       (lp rest invoices (+ overpayment (xaccSplitConvertAmount split apar-acct))
-           opposing-splits))
-      ((split . rest)
-       (let* ((lot (xaccSplitGetLot split))
-              (lot-all-splits (gnc-lot-get-split-list lot)))
-         (define split=? (cut equal? <> split))
-         (match (gncInvoiceGetInvoiceFromLot lot)
-           (() (let lp1 ((lot-splits lot-all-splits)
-                         (overpayment overpayment)
-                         (opposing-splits opposing-splits))
-                 (match lot-splits
-                   (() (lp rest invoices overpayment opposing-splits))
-                   (((? split=?) . tail) (lp1 tail overpayment opposing-splits))
-                   ((s . tail)
-                    (let* ((lot-bal (gnc-lot-get-balance lot))
-                           (lot-bal (if (sign-equal? lot-bal (xaccSplitConvertAmount s apar-acct))
-                                        0 lot-bal))
-                           (derived? (not (zero? lot-bal)))
-                           (partial-amount
-                            (fold
-                             (lambda (a b)
-                               (if (equal? s a) b (+ b (xaccSplitConvertAmount a apar-acct))))
-                             (- lot-bal) lot-all-splits)))
-                      (gnc:msg "next " (gnc:strify s) " overpayment " (+ overpayment partial-amount))
-                      (lp1 tail (+ overpayment partial-amount)
-                           (cons (list s partial-amount derived?)
-                                 opposing-splits)))))))
-           (inv
-            (gnc:msg "next " (gnc:strify split) " overpayment " (+ overpayment (xaccSplitConvertAmount split apar-acct)))
-            (lp rest
-                (cons (cons inv split) invoices)
-                (+ overpayment (xaccSplitConvertAmount split apar-acct))
-                opposing-splits)))))))))
+  (let* ((apar-split (xaccTransGetFirstAPARAcctSplit txn #t))
+        (apar-acct (xaccSplitGetAccount apar-split)))
+    (let lp ((splits (xaccTransGetSplitList txn))
+            (invoices '())
+            (overpayment 0)
+            (opposing-splits '()))
+      (match splits
+        (() (vector invoices opposing-splits overpayment))
+        (((? not-APAR? split) . rest)
+        (gnc:msg "next " (gnc:strify split) " overpayment " (+ overpayment (xaccSplitConvertAmount split apar-acct)))
+        (lp rest invoices (+ overpayment (xaccSplitConvertAmount split apar-acct))
+            opposing-splits))
+        ((split . rest)
+        (let* ((lot (xaccSplitGetLot split))
+                (lot-all-splits (gnc-lot-get-split-list lot)))
+          (define split=? (cut equal? <> split))
+          (match (gncInvoiceGetInvoiceFromLot lot)
+            (() (let lp1 ((lot-splits lot-all-splits)
+                          (overpayment overpayment)
+                          (opposing-splits opposing-splits))
+                  (match lot-splits
+                    (() (lp rest invoices overpayment opposing-splits))
+                    (((? split=?) . tail) (lp1 tail overpayment opposing-splits))
+                    ((s . tail)
+                      (let* ((lot-bal (gnc-lot-get-balance lot))
+                            (lot-bal (if (sign-equal? lot-bal (xaccSplitConvertAmount s apar-acct))
+                                          0 lot-bal))
+                            (derived? (not (zero? lot-bal)))
+                            (partial-amount
+                              (fold
+                              (lambda (a b)
+                                (if (equal? s a) b (+ b (xaccSplitConvertAmount a apar-acct))))
+                              (- lot-bal) lot-all-splits)))
+                        (gnc:msg "next " (gnc:strify s) " overpayment " (+ overpayment partial-amount))
+                        (lp1 tail (+ overpayment partial-amount)
+                            (cons (list s partial-amount derived?)
+                                  opposing-splits)))))))
+            (inv
+              (gnc:msg "next " (gnc:strify split) " overpayment " (+ overpayment (xaccSplitConvertAmount split apar-acct)))
+              (lp rest
+                  (cons (cons inv split) invoices)
+                  (+ overpayment (xaccSplitConvertAmount split apar-acct))
+                  opposing-splits)))))))))
 
 ;; create a stepped list, then add a date in the infinite future for
 ;; the "current" bucket