diff --git a/.github/workflows/conda-build.yml b/.github/workflows/conda-build.yml
index 42927be..76863f7 100644
--- a/.github/workflows/conda-build.yml
+++ b/.github/workflows/conda-build.yml
@@ -47,4 +47,5 @@ jobs:
         wget https://ftp.pride.ebi.ac.uk/pub/databases/pride/resources/proteomes/quantms-ci-github/quantms-utils/TMT_Erwinia_1uLSike_Top10HCD_isol2_45stepped_60min_01_comet.idXML
     - name: Test percolator ms2rescore
       run: |
+        conda activate quantmsutils
         quantmsutilsc ms2rescore --psm_file TMT_Erwinia_1uLSike_Top10HCD_isol2_45stepped_60min_01_comet.idXML --spectrum_path TMT_Erwinia_1uLSike_Top10HCD_isol2_45stepped_60min_01.mzML --processes 2 --ms2pip_model HCD2021 --feature_generators 'ms2pip,deeplc' --id_decoy_pattern ^rev --test_fdr 0.05
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