diff --git a/.github/workflows/pr_tests.yml b/.github/workflows/pr_tests.yml
index 94beb6249..803c07036 100644
--- a/.github/workflows/pr_tests.yml
+++ b/.github/workflows/pr_tests.yml
@@ -50,7 +50,7 @@ jobs:
         python ecoli/experiments/ecoli_master_sim.py \
             --generations 1 --emitter parquet --emitter_arg out_dir='out' \
             --experiment_id "parca_2" --daughter_outdir "out/parca_2" \
-            --sim_data_path "out/parca_2/kb/simData.cPickle" --fail_at_total_time && fg
+            --sim_data_path "out/parca_2/kb/simData.cPickle" --fail_at_total_time
         python runscripts/debug/diff_simouts.py -o "out" "parca_1*" "parca_2*"
   Two-gens:
     runs-on: macos-latest