diff --git a/addons/account/account_bank_statement.py b/addons/account/account_bank_statement.py
index a877dd15f17..8493bcebe24 100644
--- a/addons/account/account_bank_statement.py
+++ b/addons/account/account_bank_statement.py
@@ -588,20 +588,16 @@ class account_bank_statement_line(osv.osv):
         if not st_line.partner_id.id:
             return []
 
-        # Look for a set of move line whose amount is <= to the line's amount
+        # Select move lines until their total amount is greater than the statement line amount
         domain += [('account_id.type', 'in', ((amount > 0 and 'receivable' or 'payable'), 'liquidity'))] # Make sure we can't mix receivable and payable
-        if amount_field == 'amount_currency' and amount < 0:
-            domain += [(amount_field, '<', 0), (amount_field, '>', (sign * amount))]
-        else:
-            domain += [(amount_field, '>', 0), (amount_field, '<', (sign * amount))]
+        domain += (amount_field == 'amount_currency' and amount < 0) and [(amount_field, '<', 0)] or [(amount_field, '>', 0)]
         mv_lines = self.get_move_lines_for_reconciliation(cr, uid, st_line, excluded_ids=excluded_ids, limit=5, additional_domain=domain)
         ret = []
         total = 0
         for line in mv_lines:
             total += abs(line['debit'] - line['credit'])
-            if float_compare(total, abs(amount), precision_digits=precision_digits) != 1:
-                ret.append(line)
-            else:
+            ret.append(line)
+            if float_compare(total, abs(amount), precision_digits=precision_digits) != -1:
                 break
         return ret
 
diff --git a/addons/account/static/src/js/widgets.js b/addons/account/static/src/js/widgets.js
index dab4b98860a..8e57c499092 100644
--- a/addons/account/static/src/js/widgets.js
+++ b/addons/account/static/src/js/widgets.js
@@ -1348,12 +1348,13 @@ var bankStatementReconciliationLine = Widget.extend({
 
         // Show or hide partial reconciliation
         if (self.get("mv_lines_selected").length > 0) {
+            var last_line = _.last(self.get("mv_lines_selected"));
             var propose_partial = self.getCreatedLines().length === 0
-                && self.get("mv_lines_selected").length === 1
                 && balance_type === "greater"
-                && ! self.get("mv_lines_selected")[0].partial_reconcile
+                && Math.abs(self.get("balance")) < Math.abs(last_line.debit - last_line.credit)
+                && ! last_line.partial_reconcile
                 && ! self.is_rapprochement;
-            self.get("mv_lines_selected")[0].propose_partial_reconcile = propose_partial;
+            last_line.propose_partial_reconcile = propose_partial;
             self.updateAccountingViewMatchedLines();
         }
 
@@ -1452,7 +1453,13 @@ var bankStatementReconciliationLine = Widget.extend({
 
     mvLinesSelectedChanged: function(elt, val) {
         var self = this;
-    
+
+        // Reset partial reconciliation
+        _.each(self.get("mv_lines_selected"), function(line) {
+            if (line.partial_reconcile === true) self.unpartialReconcileLine(line);
+            if (line.propose_partial_reconcile === true) line.propose_partial_reconcile = false;
+        });
+
         var added_lines = _.difference(val.newValue, val.oldValue);
         var removed_lines = _.difference(val.oldValue, val.newValue);
     
@@ -1600,16 +1607,6 @@ var bankStatementReconciliationLine = Widget.extend({
     updateBalance: function() {
         var self = this;
         var mv_lines_selected = self.get("mv_lines_selected");
-        var lines_selected_num = mv_lines_selected.length;
-
-        // Undo partial reconciliation if necessary
-        if (lines_selected_num !== 1) {
-            _.each(mv_lines_selected, function(line) {
-                if (line.partial_reconcile === true) self.unpartialReconcileLine(line);
-                if (line.propose_partial_reconcile === true) line.propose_partial_reconcile = false;
-            });
-            self.updateAccountingViewMatchedLines();
-        }
 
         // Compute balance
         var balance = 0;