diff --git a/autograder-core/src/main/java/de/firemage/autograder/core/check/api/OldCollectionCheck.java b/autograder-core/src/main/java/de/firemage/autograder/core/check/api/OldCollectionCheck.java
index a16ab2f9..2f4f5b18 100644
--- a/autograder-core/src/main/java/de/firemage/autograder/core/check/api/OldCollectionCheck.java
+++ b/autograder-core/src/main/java/de/firemage/autograder/core/check/api/OldCollectionCheck.java
@@ -30,7 +30,7 @@ public void process(CtConstructorCall ctConstructorCall) {
                 switch (ctConstructorCall.getType().getQualifiedName()) {
                     case "java.util.Vector" -> reportProblem(ctConstructorCall, "Vector", "ArrayList");
                     case "java.util.Hashtable" -> reportProblem(ctConstructorCall, "Hashtable", "HashMap");
-                    case "java.util.Stack" -> reportProblem(ctConstructorCall, "Stack", "Dequeue");
+                    case "java.util.Stack" -> reportProblem(ctConstructorCall, "Stack", "Deque");
                 }
             }
         });