diff --git a/content/de/posts/2024-12-04-old-elbe-tunnel-also-in-english.md b/content/de/posts/2024-12-04-old-elbe-tunnel-also-in-english.md
index e47e198..35a95f3 100644
--- a/content/de/posts/2024-12-04-old-elbe-tunnel-also-in-english.md
+++ b/content/de/posts/2024-12-04-old-elbe-tunnel-also-in-english.md
@@ -11,4 +11,4 @@ Schon gewusst? Die Tour [Alter Elbtunnel](../38c3/alter-elbtunnel/) gibt's auch
 - Datum: Tag 2 (28.12.)
 - Treffen am HackerTours-Desk: 14:15 Uhr 
 
-[Tickets](/hackertours/38c3/)
\ No newline at end of file
+[Tickets](https://tickets.hamburg.ccc.de/hackertours/38c3/)
diff --git a/content/de/posts/2024-12-04-only-few-slots-available.md b/content/de/posts/2024-12-04-only-few-slots-available.md
index 18da0af..dc2f5bf 100644
--- a/content/de/posts/2024-12-04-only-few-slots-available.md
+++ b/content/de/posts/2024-12-04-only-few-slots-available.md
@@ -22,4 +22,4 @@ Tag 3 (29.12.)
 - 16:00 Uhr [Gängeviertel](../38c3/gaengeviertel/)
 - 17:15 Uhr [Alter Elbtunnel](../38c3/alter-elbtunnel/) auf Deutsch
 
-Direkt zu den [Tickets](/hackertours/38c3/)!
\ No newline at end of file
+Direkt zu den [Tickets](https://tickets.hamburg.ccc.de/hackertours/38c3/)!
diff --git a/content/en/posts/2024-12-04-old-elbe-tunnel-also-in-english.md b/content/en/posts/2024-12-04-old-elbe-tunnel-also-in-english.md
index dfccff1..83ea1b9 100644
--- a/content/en/posts/2024-12-04-old-elbe-tunnel-also-in-english.md
+++ b/content/en/posts/2024-12-04-old-elbe-tunnel-also-in-english.md
@@ -11,4 +11,4 @@ Did you know that...? The tour [Old Elbe Tunnel](../38c3/alter-elbtunnel/) is al
 - date: Day 2 (28 December)
 - Meeting time at the HackerTours Desk: 14:15
 
-[Tickets](/hackertours/38c3/)
\ No newline at end of file
+[Tickets](https://tickets.hamburg.ccc.de/hackertours/38c3/)
diff --git a/content/en/posts/2024-12-04-only-few-slots-available.md b/content/en/posts/2024-12-04-only-few-slots-available.md
index bc8395a..9721489 100644
--- a/content/en/posts/2024-12-04-only-few-slots-available.md
+++ b/content/en/posts/2024-12-04-only-few-slots-available.md
@@ -22,4 +22,4 @@ Day 3 (29 December)
 - 16:00 [Gängeviertel](../38c3/gaengeviertel/)
 - 17:15 [Old Elbe Tunnel](../38c3/alter-elbtunnel/)
 
-Take me to the [Tickets](/hackertours/38c3/)!
\ No newline at end of file
+Take me to the [Tickets](https://tickets.hamburg.ccc.de/hackertours/38c3/)!