diff --git a/BALSAMIC/snakemake_rules/align/tga_bam_postprocess.rule b/BALSAMIC/snakemake_rules/align/tga_bam_postprocess.rule
index dd21fa9c1..3584ab173 100644
--- a/BALSAMIC/snakemake_rules/align/tga_bam_postprocess.rule
+++ b/BALSAMIC/snakemake_rules/align/tga_bam_postprocess.rule
@@ -33,7 +33,7 @@ export SENTIEON_LICENSE={params.sentieon_lic};
 -r {input.ref} \
 -i {input.bam} \
 --algo LocusCollector \
---umi_ecc_dist 0 \
+--umi_ecc_dist 1 \
 --consensus --umi_tag XR --fun score_info {output.score} ;
 
 {params.sentieon_exec} driver \