diff --git a/nextflow.config b/nextflow.config
index cf6f3c6..fd47b82 100644
--- a/nextflow.config
+++ b/nextflow.config
@@ -57,7 +57,7 @@ process {
     }
 
     withName: 'HAPLINK_ML_HAPLOTYPES' {
-        ext.ml_args = """
+        ext.ml_args = """\
         --simulated-reads \\
         --overlap-min 20 \\
         --overlap-max 8000 \\