diff --git a/variants/uni_norm_annot.sh b/variants/uni_norm_annot.sh
index 2fa40ac622be0154274a97b1fa889134e96fb3dd..ffb9c50f8bfe6d0cb059fd86fb87c5c6d493dd38 100755
--- a/variants/uni_norm_annot.sh
+++ b/variants/uni_norm_annot.sh
@@ -33,6 +33,10 @@ else
     usage
 
 fi
+if [[ -z $snpeffgeno ]]
+then
+    snpeffgeno='GRCh38.86'
+fi
 
 source /etc/profile.d/modules.sh
 module load bedtools/2.26.0 samtools/1.6 bcftools/1.6 snpeff/4.3q