diff --git a/app/views/budgets/edit.html.erb b/app/views/budgets/edit.html.erb
index c43acc5b..f3a9854e 100644
--- a/app/views/budgets/edit.html.erb
+++ b/app/views/budgets/edit.html.erb
@@ -32,8 +32,8 @@
             <div class="relative inline-block select-none ml-6">
               <%= check_box_tag :auto_fill, "1", params[:auto_fill].present?, class: "sr-only peer", data: {
                   action: "change->budget-form#toggleAutoFill",
-                  budget_form_income_param: { key: "budget_expected_income", value: @budget.estimated_income },
-                  budget_form_spending_param: { key: "budget_budgeted_spending", value: @budget.estimated_spending }
+                  budget_form_income_param: { key: "budget_expected_income", value: sprintf("%.2f", @budget.estimated_income) },
+                  budget_form_spending_param: { key: "budget_budgeted_spending", value: sprintf("%.2f", @budget.estimated_spending) }
                 } %>
               <label for="auto_fill" class="maybe-switch"></label>
             </div>