diff --git a/addons/mrp_operations/i18n/mrp_operations.pot b/addons/mrp_operations/i18n/mrp_operations.pot
index 574f6ba30ee..0cd82aaca0c 100644
--- a/addons/mrp_operations/i18n/mrp_operations.pot
+++ b/addons/mrp_operations/i18n/mrp_operations.pot
@@ -444,7 +444,7 @@ msgstr ""
 #. module: mrp_operations
 #: code:addons/mrp_operations/mrp_operations.py:466
 #, python-format
-msgid "Operation has already started !' 'You can either Pause/Finish/Cancel the operation.'))"
+msgid "Operation has already started! You can either Pause/Finish/Cancel the operation.'))"
 msgstr ""
 
 #. module: mrp_operations
diff --git a/addons/mrp_operations/mrp_operations.py b/addons/mrp_operations/mrp_operations.py
index 34220196f91..2700ed2654d 100644
--- a/addons/mrp_operations/mrp_operations.py
+++ b/addons/mrp_operations/mrp_operations.py
@@ -513,7 +513,7 @@ class mrp_operations_operation(osv.osv):
                  code_lst.append(oper.code_id.start_stop)
             if code.start_stop=='start':
                     if 'start' in code_lst:
-                        raise osv.except_osv(_('Sorry!'),_('Operation has already started !' 'You can either Pause/Finish/Cancel the operation.'))
+                        raise osv.except_osv(_('Sorry!'),_('Operation has already started! You can either Pause/Finish/Cancel the operation.'))
                         return False
             if code.start_stop=='pause':
                     if  code_lst[len(code_lst)-1]!='resume' and code_lst[len(code_lst)-1]!='start':