diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
index 99c869d..ecc9a60 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
@@ -461,8 +461,8 @@
 	def set_billing_hours_and_amount(self):
 		for timesheet in self.timesheets:
 			ts_doc = frappe.get_doc('Timesheet', timesheet.time_sheet)
-			if not timesheet.billing_hours and ts_doc.total_billing_hours:
-				timesheet.billing_hours = ts_doc.total_billing_hours
+			if not timesheet.billing_hours and ts_doc.total_billable_hours:
+				timesheet.billing_hours = ts_doc.total_billable_hours
 
 			if not timesheet.billing_amount and ts_doc.total_billable_amount:
 				timesheet.billing_amount = ts_doc.total_billable_amount
diff --git a/erpnext/patches/v7_1/rename_field_timesheet.py b/erpnext/patches/v7_1/rename_field_timesheet.py
index 1957545..3690a2e 100644
--- a/erpnext/patches/v7_1/rename_field_timesheet.py
+++ b/erpnext/patches/v7_1/rename_field_timesheet.py
@@ -4,5 +4,8 @@
 
 def execute():
 	doctype = 'Timesheet'
-	if "total_billing_amount" in frappe.db.get_table_columns(doctype):
-		rename_field(doctype, 'total_billing_amount', 'total_billable_amount')
\ No newline at end of file
+	fields_dict = {'total_billing_amount': 'total_billable_amount', 'total_billing_hours': 'total_billable_hours'}
+
+	for old_fieldname, new_fieldname in fields_dict.items():
+		if old_fieldname in frappe.db.get_table_columns(doctype):
+			rename_field(doctype, old_fieldname, new_fieldname)
diff --git a/erpnext/patches/v7_1/update_total_billing_hours.py b/erpnext/patches/v7_1/update_total_billing_hours.py
index 68222c4..b9c9602 100644
--- a/erpnext/patches/v7_1/update_total_billing_hours.py
+++ b/erpnext/patches/v7_1/update_total_billing_hours.py
@@ -5,10 +5,10 @@
 	frappe.reload_doc('projects', 'doctype', 'timesheet_detail')
 	frappe.reload_doc('accounts', 'doctype', 'sales_invoice_timesheet')
 
-	frappe.db.sql("""update tabTimesheet set total_billing_hours=total_hours 
+	frappe.db.sql("""update tabTimesheet set total_billable_hours=total_hours 
 		where total_billable_amount>0 and docstatus = 1""")
 
 	frappe.db.sql("""update `tabTimesheet Detail` set billing_hours=hours where docstatus < 2""")
 
-	frappe.db.sql(""" update `tabSales Invoice Timesheet` set billing_hours = (select total_billing_hours from `tabTimesheet`
+	frappe.db.sql(""" update `tabSales Invoice Timesheet` set billing_hours = (select total_billable_hours from `tabTimesheet`
 		where name = time_sheet) where time_sheet is not null""")
\ No newline at end of file
diff --git a/erpnext/projects/doctype/timesheet/test_timesheet.py b/erpnext/projects/doctype/timesheet/test_timesheet.py
index 22bb276..369be6d 100644
--- a/erpnext/projects/doctype/timesheet/test_timesheet.py
+++ b/erpnext/projects/doctype/timesheet/test_timesheet.py
@@ -17,7 +17,7 @@
 		timesheet = make_timesheet("_T-Employee-0001", simulate = True, billable=1)
 
 		self.assertEquals(timesheet.total_hours, 2)
-		self.assertEquals(timesheet.total_billing_hours, 2)
+		self.assertEquals(timesheet.total_billable_hours, 2)
 		self.assertEquals(timesheet.time_logs[0].billing_rate, 50)
 		self.assertEquals(timesheet.time_logs[0].billing_amount, 100)
 		self.assertEquals(timesheet.total_billable_amount, 100)
diff --git a/erpnext/projects/doctype/timesheet/timesheet.js b/erpnext/projects/doctype/timesheet/timesheet.js
index 1b6f956..7d0e71a 100644
--- a/erpnext/projects/doctype/timesheet/timesheet.js
+++ b/erpnext/projects/doctype/timesheet/timesheet.js
@@ -173,7 +173,7 @@
 		}
 	}
 
-	cur_frm.set_value("total_billing_hours", total_billing_hr);
+	cur_frm.set_value("total_billable_hours", total_billing_hr);
 	cur_frm.set_value("total_hours", total_working_hr);
 	cur_frm.set_value("total_billable_amount", total_billable_amount);
 	cur_frm.set_value("total_costing_amount", total_costing_amount);
diff --git a/erpnext/projects/doctype/timesheet/timesheet.json b/erpnext/projects/doctype/timesheet/timesheet.json
index fd99e9a..168bc63 100644
--- a/erpnext/projects/doctype/timesheet/timesheet.json
+++ b/erpnext/projects/doctype/timesheet/timesheet.json
@@ -549,14 +549,14 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
-   "fieldname": "total_billing_hours", 
+   "fieldname": "total_billable_hours", 
    "fieldtype": "Float", 
    "hidden": 0, 
    "ignore_user_permissions": 0, 
    "ignore_xss_filter": 0, 
    "in_filter": 0, 
    "in_list_view": 0, 
-   "label": "Total Billing Hours", 
+   "label": "Total Billable Hours", 
    "length": 0, 
    "no_copy": 0, 
    "permlevel": 0, 
@@ -817,7 +817,7 @@
  "issingle": 0, 
  "istable": 0, 
  "max_attachments": 0, 
- "modified": "2016-09-12 18:35:01.578750", 
+ "modified": "2016-09-12 13:19:22.298036", 
  "modified_by": "Administrator", 
  "module": "Projects", 
  "name": "Timesheet", 
diff --git a/erpnext/projects/doctype/timesheet/timesheet.py b/erpnext/projects/doctype/timesheet/timesheet.py
index ba5210d..6fbe3f0 100644
--- a/erpnext/projects/doctype/timesheet/timesheet.py
+++ b/erpnext/projects/doctype/timesheet/timesheet.py
@@ -29,7 +29,7 @@
 
 	def calculate_total_amounts(self):
 		self.total_hours = 0.0
-		self.total_billing_hours = 0.0
+		self.total_billable_hours = 0.0
 		self.total_billed_hours = 0.0
 		self.total_billable_amount = 0.0
 		self.total_costing_amount = 0.0
@@ -40,7 +40,7 @@
 
 			self.total_hours += flt(d.hours)
 			if d.billable:
-				self.total_billing_hours += flt(d.billing_hours)
+				self.total_billable_hours += flt(d.billing_hours)
 				self.total_billable_amount += flt(d.billing_amount)
 				self.total_costing_amount += flt(d.costing_amount)
 				self.total_billed_amount += flt(d.billing_amount) if d.sales_invoice else 0.0
@@ -290,7 +290,7 @@
 		data = get_projectwise_timesheet_data(project, name)
 	else:
 		data = frappe.get_all('Timesheet', 
-			fields = ["(total_billable_amount - total_billed_amount) as billing_amt", "total_billing_hours as billing_hours"], filters = {'name': name})
+			fields = ["(total_billable_amount - total_billed_amount) as billing_amt", "total_billable_hours as billing_hours"], filters = {'name': name})
 
 	return {
 		'billing_hours': data[0].billing_hours,
@@ -305,7 +305,7 @@
 
 	target.append('timesheets', {
 		'time_sheet': timesheet.name,
-		'billing_hours': flt(timesheet.total_billing_hours) - flt(timesheet.total_billed_hours),
+		'billing_hours': flt(timesheet.total_billable_hours) - flt(timesheet.total_billed_hours),
 		'billing_amount': flt(timesheet.total_billable_amount) - flt(timesheet.total_billed_amount)
 	})