diff --git a/Aufgabe03a.py b/Aufgabe03a.py
index 902ffa28cb7543d5f9688ab268f9d00fb713b204..68d4c92e431f49cbb1effd4f98108e2fa8f4d8d3 100644
--- a/Aufgabe03a.py
+++ b/Aufgabe03a.py
@@ -50,6 +50,9 @@ class StackList:
                 element.next = ListElement(value)
 
     def __str__(self):
+        if self.isEmpty():
+            return "StackList()"
+
         return_string = ""
         element = self.first_element
         while element.next is not None: