diff --git a/exercises/assembly_exercise.md b/exercises/assembly_exercise.md
index 3a8fbf620c436436fd856e48741e5718d0333fbc..3124746ca1e5d614e1dfacadbe46d88c555c2dd6 100644
--- a/exercises/assembly_exercise.md
+++ b/exercises/assembly_exercise.md
@@ -26,7 +26,7 @@ We will first do the assembly of a small test dataset together. Later, you will
     cp -r /shares/amr.imm.uzh/data/projects/Blockcourse_BIO296/FS2023/Participants_data/testdata/illumina/01_data /data/$USER/testdata/illumina/
 
     # copy scripts
-    cp -r /shares/amr.imm.uzh/data/projects/Blockcourse_BIO296/FS2023/Participants_data//testdata/illumina/02_scripts/ /data/$USER/testdata/illumina/
+    cp -r /shares/amr.imm.uzh/data/projects/Blockcourse_BIO296/FS2023/Participants_data/testdata/illumina/02_scripts/ /data/$USER/testdata/illumina/
     ```