diff --git a/bindings/guile/engine.scm b/bindings/guile/engine.scm
index 99074e8690b..c2bf762214b 100644
--- a/bindings/guile/engine.scm
+++ b/bindings/guile/engine.scm
@@ -29,3 +29,20 @@
 (load-and-reexport (sw_engine)
                    (gnucash engine business-core)
                    (gnucash engine gnc-numeric))
+
+
+(export gnc:price-ref)
+
+(define price-guardian (make-guardian))
+
+(define (reclaim-prices)
+  (let ((price (price-guardian)))
+    (when price
+      (gnc-price-unref price)
+      (reclaim-prices))))
+
+(add-hook! after-gc-hook reclaim-prices)
+
+(define (gnc:price-ref price)
+  (gnc-price-ref price)
+  (price-guardian price))
diff --git a/gnucash/report/gnc-report.cpp b/gnucash/report/gnc-report.cpp
index e7b933675cb..5f057e51db9 100644
--- a/gnucash/report/gnc-report.cpp
+++ b/gnucash/report/gnc-report.cpp
@@ -221,6 +221,10 @@ gnc_run_report_with_error_handling (gint report_id, gchar ** data, gchar **errms
     html = scm_car (res);
     captured_error = scm_cadr (res);
 
+    /* Force a gc run after the report is finished to ensure that
+       guardians are called to unref objects */
+    scm_gc();
+
     if (!scm_is_false (html))
     {
         *data = gnc_scm_to_utf8_string (html);
diff --git a/gnucash/report/reports/standard/advanced-portfolio.scm b/gnucash/report/reports/standard/advanced-portfolio.scm
index 4e259d12f0d..5e0c6c55696 100644
--- a/gnucash/report/reports/standard/advanced-portfolio.scm
+++ b/gnucash/report/reports/standard/advanced-portfolio.scm
@@ -331,7 +331,7 @@ by preventing negative stock balances.<br/>")
             (if (gnc-commodity-equiv currency (gnc-price-get-commodity p))
                 (set! price (gnc-price-invert p))))
           price-list)
-        (gnc-price-ref price)
+        (gnc:price-ref price)
         (gnc-price-list-destroy price-list)
         price)))
 
@@ -470,7 +470,6 @@ by preventing negative stock balances.<br/>")
                                 (if (not (gnc-numeric-zero-p (gnc:gnc-monetary-amount trans-price)))
                                   ;; We can exchange the price from this transaction into the report currency
                                   (begin
-                                    (if price (gnc-price-unref price))
                                     (set! pricing-txn trans)
                                     (set! price trans-price)
                                     (gnc:debug "Transaction price is " (gnc:monetary->string price))
@@ -942,15 +941,9 @@ by preventing negative stock balances.<br/>")
                row-style
                activecols)
 
-              (if (and (not use-txn) price) (gnc-price-unref price))
               (table-add-stock-rows-internal rest (not odd-row?))
               )
-            (begin
-              (if (and (not use-txn) price) (gnc-price-unref price))
-              (table-add-stock-rows-internal rest odd-row?)
-              )
-            )
-            )))
+            (table-add-stock-rows-internal rest odd-row?)))))
 
     (set! work-to-do (gnc:accounts-count-splits accounts))
     (table-add-stock-rows-internal accounts #t)))
diff --git a/gnucash/report/reports/standard/portfolio.scm b/gnucash/report/reports/standard/portfolio.scm
index eb516b3a99c..8d9f2efaccb 100644
--- a/gnucash/report/reports/standard/portfolio.scm
+++ b/gnucash/report/reports/standard/portfolio.scm
@@ -143,10 +143,8 @@
                                "number-cell" value)))
                        ;;(display (format #f "Shares: ~6d  " (gnc-numeric-to-double units)))
                        ;;(display units) (newline)
-                       (if price (gnc-price-unref price))
                        (table-add-stock-rows-internal rest (not odd-row?)))
-                (begin (if price (gnc-price-unref price))
-                       (table-add-stock-rows-internal rest odd-row?))))))
+                (table-add-stock-rows-internal rest odd-row?)))))
 
     (set! work-to-do (length accounts))
     (table-add-stock-rows-internal accounts #t)))
@@ -211,7 +209,7 @@
                                                 (car price)
                                                 (gnc-price-invert (car price))))
                                            (v (gnc-price-get-value the_price)))
-                                          (gnc-price-ref (car price))
+                                          (gnc:price-ref (car price))
                                           (cons (car price) v))
                                         (cons #f (gnc-numeric-zero)))))
                        (if price (gnc-price-list-destroy price))
@@ -223,7 +221,7 @@
                        (cond
                         ((null? price) (cons #f 0))
                         (else (let ((p (car price)))
-                                (gnc-price-ref p)
+                                (gnc:price-ref p)
                                 (gnc-price-list-destroy price)
                                 (cons p (gnc-price-get-value p))))))))
                   ((pricedb-nearest)
@@ -233,7 +231,7 @@
                               pricedb foreign (time64CanonicalDayTime date)))
                             (fn (if (and price (> (length price) 0))
                                     (let* ((v (gnc-price-get-value (car price))))
-                                           (gnc-price-ref (car price))
+                                           (gnc:price-ref (car price))
                                            (cons (car price) v))
                                          (cons #f (gnc-numeric-zero)))))
                        (if price (gnc-price-list-destroy price))