diff --git a/javascript/jquery.previsu_spip.js b/javascript/jquery.previsu_spip.js
index d75d7dc..7f83842 100644
--- a/javascript/jquery.previsu_spip.js
+++ b/javascript/jquery.previsu_spip.js
@@ -73,6 +73,7 @@
 					}
 					else
 						is_full_screen = false;
+					return false;
 				});
 
 				$('.previsuVoir').click(function(){