diff --git a/erpnext/accounts/dashboard_chart_source/account_balance_timeline/account_balance_timeline.py b/erpnext/accounts/dashboard_chart_source/account_balance_timeline/account_balance_timeline.py
index 8375aa3..52c2023 100644
--- a/erpnext/accounts/dashboard_chart_source/account_balance_timeline/account_balance_timeline.py
+++ b/erpnext/accounts/dashboard_chart_source/account_balance_timeline/account_balance_timeline.py
@@ -41,6 +41,7 @@
 
 def build_result(account, dates, gl_entries):
 	result = [[getdate(date), 0.0] for date in dates]
+	root_type = frappe.db.get_value('Account', account, 'root_type')
 
 	# start with the first date
 	date_index = 0
@@ -55,10 +56,16 @@
 		result[date_index][1] += entry.debit - entry.credit
 
 	# if account type is credit, switch balances
-	if frappe.db.get_value('Account', account, 'root_type') not in ('Asset', 'Expense'):
+	if root_type not in ('Asset', 'Expense'):
 		for r in result:
 			r[1] = -1 * r[1]
 
+	# for balance sheet accounts, the totals are cumulative
+	if root_type in ('Asset', 'Liability', 'Equity'):
+		for i, r in enumerate(result):
+			if i < 0:
+				r[1] = r[1] + result[i-1][1]
+
 	return result
 
 def get_gl_entries(account, to_date):