diff --git a/README.md b/README.md
index 402da1d..518ae86 100644
--- a/README.md
+++ b/README.md
@@ -54,7 +54,7 @@ Four sets of take-home exercises set throughout the course. There will be hints
 * [Exercise 1](exercises/Exercise1.ipynb): Set 30/09, due 14/10.
 * [Exercise 2](exercises/ex2_graded.pdf): Set 21/10, due 4/11.
 * [Exercise 3](exercises/Exercise3.pdf): Set 11/11, due 25/11.
-* Exercise 4: Set 02/12, due 16/12.
+* [Exercise 4](exercises/Exercise4QC): Set 02/12, due 16/12.
 
 **Note: These exercises form the final grade for the [2 practical credit points](https://vorlesungsverzeichnis.unibas.ch/en/course-directory?id=297199)**