diff --git a/zds/forum/forms.py b/zds/forum/forms.py
index c5f5958916..b9a1a95993 100644
--- a/zds/forum/forms.py
+++ b/zds/forum/forms.py
@@ -125,11 +125,12 @@ def __init__(self, topic, user, *args, **kwargs):
                     u'afin de limiter le flood.',
                     disabled=True)
         elif topic.is_locked:
-            self.helper['text'].wrap(
-                Field,
-                placeholder=u'Ce topic est verrouillé.',
-                disabled=True
-            )
+            if 'text' not in self.initial:
+                self.helper['text'].wrap(
+                    Field,
+                    placeholder=u'Ce topic est verrouillé.',
+                    disabled=True
+                )
 
     def clean(self):
         cleaned_data = super(PostForm, self).clean()