diff --git a/recipes/peakcallers/macs2/Singularity.macs2-2271 b/recipes/peakcallers/macs2/Singularity.macs2-2271
index d684f38b176cfe1ae2b3f6c3e0129d409bf95ea2..32447a90d0d9f7446cdbcbc65f7e58714b39336a 100644
--- a/recipes/peakcallers/macs2/Singularity.macs2-2271
+++ b/recipes/peakcallers/macs2/Singularity.macs2-2271
@@ -10,3 +10,4 @@ From: dceoy/macs2:latest
 
 %labels
     Author Nicolas Descostes
+