diff --git a/addons/account/account.py b/addons/account/account.py
index 3ed4ebc600c..eb7771d8197 100644
--- a/addons/account/account.py
+++ b/addons/account/account.py
@@ -988,7 +988,7 @@ class account_move(osv.osv):
                     if line.account_id.currency_id.id != line.currency_id.id and (line.account_id.currency_id.id != line.account_id.company_id.currency_id.id or line.currency_id):
                         raise osv.except_osv(_('Error'), _("""Couldn't create move with currency different from the secondary currency of the account "%s - %s". Clear the secondary currency field of the account definition if you want to accept all currencies.""" % (line.account_id.code, line.account_id.name)))
 
-            if abs(amount) < config['price_accuracy']:
+            if abs(amount) < 10**-config['price_accuracy']:
                 if not len(line_draft_ids):
                     continue
                 self.pool.get('account.move.line').write(cr, uid, line_draft_ids, {