diff --git a/_data/navigation.yml b/_data/navigation.yml
index 027a816d567b46efd3cf6dc3aab394ed014f5bbe..6b0e1a89261ca14e28a270fd3acff58ea9f9805a 100644
--- a/_data/navigation.yml
+++ b/_data/navigation.yml
@@ -42,7 +42,7 @@ header:
       - title: "Overview & Materials"
         url: "/services/software/training"
       - title: "HIFIS Courses"
-        url: "https://www.helmholtz-hida.de/course-catalog/en/?search%5Bfilter%5D%5B0%5D=tags%3AHIFIS"
+        url: "https://www.helmholtz-hida.de/course-catalog/en/?search%5Bq%5D=HIFIS"
         external: True
       - title: "More Helmholtz courses"
         url: "https://www.helmholtz-hida.de/course-catalog"
diff --git a/_includes/frontpage/title-content.html b/_includes/frontpage/title-content.html
index 3e213802e1c6dde936527de7884dd9dc6d3e4a07..22a42c8aa0abd670237859dcdf66d9d51363dae3 100644
--- a/_includes/frontpage/title-content.html
+++ b/_includes/frontpage/title-content.html
@@ -12,7 +12,7 @@
             <a href="{% link services/software-overview.md %}" class="btn btn-light text-dark">
                 Software Services
             </a>
-            <a href="https://www.helmholtz-hida.de/course-catalog/en/?search%5Bfilter%5D%5B0%5D=tags%3AHIFIS" class="btn btn-light text-dark">
+            <a href="https://www.helmholtz-hida.de/course-catalog/en/?search%5Bq%5D=HIFIS">
                 Courses <i class="fas fa-external-link-alt"></i>
             </a>
             <a href="{% link aai/index.md %}" class="btn btn-light text-dark">
diff --git a/_layouts/event-list.html b/_layouts/event-list.html
index 0fbe1ccaf63129f561caa4385e0a4d340a939dd1..1bc4c0251ae377fd2352c8a2ea43838e7a460295 100644
--- a/_layouts/event-list.html
+++ b/_layouts/event-list.html
@@ -74,7 +74,7 @@
                     <a href="https://events.hifis.net/category/4/">
                     <i class="fas fa-external-link-alt"></i> HIFIS Events page</a></strong>
                     or the <strong>
-                    <a href="https://www.helmholtz-hida.de/course-catalog/?search%5Bfilter%5D%5B0%5D=tags%3AHIFIS&search%5Bfilter%5D%5B1%5D=">
+                    <a href="https://www.helmholtz-hida.de/course-catalog/en/?search%5Bq%5D=HIFIS">
                     <i class="fas fa-external-link-alt"></i> HIDA course catalog</a></strong>
                     for upcoming HIFIS courses and events.
                 </p>
diff --git a/_posts/2024/2024-03-11-courses-2024.md b/_posts/2024/2024-03-11-courses-2024.md
index 908415a3482e0db55e83840ed8f73d744622e9fc..f60cf9b9b51d129c7405486de2330c721d40234b 100644
--- a/_posts/2024/2024-03-11-courses-2024.md
+++ b/_posts/2024/2024-03-11-courses-2024.md
@@ -25,10 +25,14 @@ will be split up in order to make targeted use of the strengths of each platform
 HIDA primarily takes care of the organisational aspects and the advertisement,
 while the HIFIS instructors can focus on the training curriculum.
 
-All scheduled courses can be found in the [__HIDA course catalog__](https://www.helmholtz-hida.de/course-catalog/en/?search%5Bfilter%5D%5B0%5D=tags%3AHIFIS).
+All scheduled courses can be found in the [__HIDA course catalog__](https://www.helmholtz-hida.de/course-catalog/en/?search%5Bq%5D=HIFIS).
 We will cover a broad range of topics from beginner to advanced.
 We help you in getting started with various aspects of Python programming,
 in getting started with research software publication or
 in getting in touch with Continuous Integration and automation.
 
-If you have ideas and suggestions for courses or would like to run a HIFIS course at your center, please [contact]({% link contact.md %}) us.
\ No newline at end of file
+If you have ideas and suggestions for courses or would like to run a HIFIS course at your center, please [contact]({% link contact.md %}) us.
+
+## Changelog
+
+- 2024-10-16: Updated link to course catalog.
diff --git a/services/software/training.md b/services/software/training.md
index bc453eab138d9a84c15b095862980854aa956662..9e078506d8dd286df925cc4128af2e8db9f54f78 100644
--- a/services/software/training.md
+++ b/services/software/training.md
@@ -162,7 +162,7 @@ Click to [**see all our workshops**][hifis-workshops] and find out more.
 [open-source-guide/legal]: <https://opensource.guide/legal/>
 [research-software/citation]: <https://research-software.org/citation>
 [write-the-docs/beginners-guide]: <https://www.writethedocs.org/guide/writing/beginners-guide-to-docs/>
-[hifis-workshops]: <https://www.helmholtz-hida.de/course-catalog/en/?search%5Bfilter%5D%5B0%5D=tags%3AHIFIS>
+[hifis-workshops]: <https://www.helmholtz-hida.de/course-catalog/en/?search%5Bq%5D=HIFIS>
 
 ### What Are Best Practices for Research Software?