diff --git a/accounts/doctype/journal_voucher/journal_voucher.py b/accounts/doctype/journal_voucher/journal_voucher.py
index 7ba83aa..36a5bf9 100644
--- a/accounts/doctype/journal_voucher/journal_voucher.py
+++ b/accounts/doctype/journal_voucher/journal_voucher.py
@@ -385,7 +385,7 @@
 		get_obj(dt='GL Control').make_gl_entries(self.doc, self.doclist, cancel=1)
 
 	def check_tds_payment_voucher(self):
-		tdsp =	sql("select parent from `tabTDS Payment Detail` where voucher_no = %s and docstatus = 1 and parent not like 'old%'", self.doc.name)
+		tdsp =	sql("select parent from `tabTDS Payment Detail` where voucher_no = %s and docstatus = 1 and parent not like 'old%%'", self.doc.name)
 		if tdsp:
 			msgprint("TDS Payment voucher '%s' has been made against this voucher. Please cancel the payment voucher to proceed." % (tdsp and tdsp[0][0] or ''))
 			raise Exception
\ No newline at end of file