diff --git a/uebungen/u25/Diff.java b/uebungen/u25/Diff.java
index 3c91794..de960fe 100644
--- a/uebungen/u25/Diff.java
+++ b/uebungen/u25/Diff.java
@@ -41,6 +41,8 @@ public class Diff {
         if (!foundDiff) {
             System.out.println("Keine Unterschiede gefunden");
         }
+        scan2.close();
+        scan1.close();
     }