diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e4a3c108ab631c4ad134183420b0619fd4d25395..acb9bec55c2d4298b979c6db9a96e9a50b134928 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -46,7 +46,7 @@ inferMetadata:
     fi
   - >
     singularity run 'docker://bicf/rseqc3.0:2.0.0' infer_experiment.py -r "/project/BICF/BICF_Core/shared/gudmap/references/GRCh38.p12.v31/bed/genome.bed" -i "./test_data/bam/small/Q-Y5JA_1M.se.sorted.deduped.bam" 1>> Q-Y5JA_1M.se.inferMetadata.log
-    ended=`bash inferMeta.sh endness Q-Y5JA_1M.se.inferMetadata.log
+    ended=`singularity run 'docker://bicf/python3:1.3' python3 ./workflow/scripts/inferMeta.sh endness Q-Y5JA_1M.se.inferMetadata.log`
     if [[ ${ended} == "" ]]
     then
       exit 1