diff --git a/gnucash/report/reports/standard/cashflow-barchart.scm b/gnucash/report/reports/standard/cashflow-barchart.scm
index 2189bcfd77..82d6ad9105 100644
--- a/gnucash/report/reports/standard/cashflow-barchart.scm
+++ b/gnucash/report/reports/standard/cashflow-barchart.scm
@@ -263,6 +263,7 @@
           (gnc:html-chart-set-height! chart height)
           (gnc:html-chart-set-y-axis-label!
            chart (gnc-commodity-get-mnemonic report-currency))
+          (gnc:html-chart-set-y-axis-begin-at-zero! chart #t)
           (gnc:html-chart-set-currency-iso!
            chart (gnc-commodity-get-mnemonic report-currency))
           (gnc:html-chart-set-currency-symbol!
diff --git a/gnucash/report/reports/standard/net-charts.scm b/gnucash/report/reports/standard/net-charts.scm
index b5e1e5df99..47e4703aad 100644
--- a/gnucash/report/reports/standard/net-charts.scm
+++ b/gnucash/report/reports/standard/net-charts.scm
@@ -318,6 +318,7 @@
                             (qof-print-date to-date-t64))))
        (gnc:html-chart-set-y-axis-label!
         chart (gnc-commodity-get-mnemonic report-currency))
+       (gnc:html-chart-set-y-axis-begin-at-zero! chart (not linechart?))
        (gnc:html-chart-set-grid?! chart y-grid)
        (gnc:html-chart-set-currency-iso!
         chart (gnc-commodity-get-mnemonic report-currency))