diff --git a/website/NGS-intro b/website/NGS-intro
index 44128456c8f9d348d0e77384ebd9c7dbe415da8f..d388cbcde45021809f492d048733af86e0ccbf3b 100644
--- a/website/NGS-intro
+++ b/website/NGS-intro
@@ -23,6 +23,6 @@ Laros.[[br]]
 Practical [raw-attachment:practical_1.pdf handouts].
 
 == Friday, April 4 ==
-[raw-attachment:combining.pdf Combining tools into a pipeline] - Michiel van
-Galen.[[br]]
+[raw-attachment:combining_tools.pdf Combining tools into a pipeline] - Michiel
+van Galen.[[br]]
 Practical [raw-attachment:practical_2.pdf handouts].