diff --git a/frappe/public/js/frappe/utils/utils.js b/frappe/public/js/frappe/utils/utils.js
index b75d2981a5..7c4bbbf2da 100644
--- a/frappe/public/js/frappe/utils/utils.js
+++ b/frappe/public/js/frappe/utils/utils.js
@@ -952,11 +952,11 @@ Object.assign(frappe.utils, {
 			return "";
 		} else if (values.length > 0) {
 			if (column.column.fieldtype == "Percent" || type === "mean") {
-				return values.reduce((a, b) => a + flt(b)) / values.length;
+				return values.reduce((a, b) => flt(a) + flt(b)) / values.length;
 			} else if (column.column.fieldtype == "Int") {
-				return values.reduce((a, b) => a + cint(b));
+				return values.reduce((a, b) => cint(a) + cint(b));
 			} else if (frappe.model.is_numeric_field(column.column.fieldtype)) {
-				return values.reduce((a, b) => a + flt(b));
+				return values.reduce((a, b) => flt(a) + flt(b));
 			} else {
 				return null;
 			}