diff --git a/entities/User.php b/entities/User.php
index 1eee5be..f156205 100644
--- a/entities/User.php
+++ b/entities/User.php
@@ -90,7 +90,7 @@
 		 * @return string le nouveau pseudo de l'utilisateur
 		 */
 		public function setPseudo(string $pseudo){
-			$this->_pseudo = $pseudo;
+			$this->_pseudo = str_replace(" ","_",$pseudo);
 		}
 		
 		/**