diff --git a/wiki-lenny/local/macro/Questionnaire.py b/wiki-lenny/local/macro/Questionnaire.py
index 70e25666..d43bdcf3 100755
--- a/wiki-lenny/local/macro/Questionnaire.py
+++ b/wiki-lenny/local/macro/Questionnaire.py
@@ -126,7 +126,7 @@ def execute(macro,text):
     f = macro.formatter
     quest = macro._macro_questionnaire
 
-    if text == "":
+    if text == None:
         return fonction_javascript(f,quest) + result(f,quest)
     elif text == "%":
         return fonction_javascript(f,quest) + result_pourcent(f,quest)