diff --git a/config/Zymo/slurm.zymo.yaml b/config/Zymo/slurm.zymo.yaml
index e919e8929f4d68dda7d25b1f056faa8f735bbcb5..3b0197942760dd361a0d8a019f2f7c60144ef0b3 100644
--- a/config/Zymo/slurm.zymo.yaml
+++ b/config/Zymo/slurm.zymo.yaml
@@ -44,4 +44,4 @@ comparison:
 sibeliaz:
   partition: "batch"
   quality: "normal"
-  runtime: "00-04:00:00" 
+  runtime: "00-00:30:00" 
diff --git a/workflow_zymo/Snakefile b/workflow_zymo/Snakefile
index 1a6d41475b0aa2d3b0c1afc8f16e59e08eadfd73..3b9aea7719f4c77971f5070d6e456ab4ca2ecdca 100644
--- a/workflow_zymo/Snakefile
+++ b/workflow_zymo/Snakefile
@@ -279,5 +279,5 @@ rule sibeliaz:
         "Genome comparision: Sibeliaz: {input.asm1} {input.asm2}"        
     shell:
        "(date && "
-       "sibeliaz -t {threads} -k {params.kmers} -f {params.memory} -o $(dirname {output}) {input.asm1} {input.asm2} && "
-       "date) 2> {log.err} > {log.out}"        
\ No newline at end of file
+       "sibeliaz -n -t {threads} -k {params.kmers} -f {params.memory} -o $(dirname {output}) {input.asm1} {input.asm2} && "
+       "date) 2> {log.err} > {log.out}"