diff --git a/admin/static/js/app.js b/admin/static/js/app.js
index 2096939d..9ecac1a7 100644
--- a/admin/static/js/app.js
+++ b/admin/static/js/app.js
@@ -1094,9 +1094,10 @@ angular.module("FICApp")
 	};
 
 	$scope.deleteExercice = function() {
+	    var tid = $scope.exercice.id_theme;
 	    this.exercice.$remove(function() {
 		$rootScope.staticFilesNeedUpdate++;
-		$location.url("/themes/" + $routeParams.themeId);
+		$location.url("/themes/" + tid);
 	    }, function(response) {
 		    $rootScope.newBox('danger', 'An error occurs when trying to delete exercice:', response.data.errmsg);
 		});