diff --git a/Snakemake/IMAGE_calling/config.yaml b/Snakemake/IMAGE_calling/config.yaml
index 86e2169dc41b87b2ed507bcb51aafaa3f5ad435e..6dedaacfd86bb084c82fdf68fba0bd72c04dffae 100755
--- a/Snakemake/IMAGE_calling/config.yaml
+++ b/Snakemake/IMAGE_calling/config.yaml
@@ -38,7 +38,7 @@ genotype_variant_threshold: ""  #Default=0: Limit posterior integration to sampl
 adjust_mapping_quality: ""      #Default=50 : adjust mapping quality
 
 # Number of GATK gvcf file to merge in cohort (combineGVCF) before GenotypeGVCF)
-nb_in_cohort: "" # Default=60
+nb_in_cohort:  # Default=60
 
 ##### Software paths #####