diff --git a/.github/workflows/debug_checks.yml b/.github/workflows/debug_checks.yml
index 4685477371..8c8d5bf63e 100644
--- a/.github/workflows/debug_checks.yml
+++ b/.github/workflows/debug_checks.yml
@@ -36,6 +36,7 @@ jobs:
           sed -i -e "s/_debug_level = get_options.*/_debug_level = 2/" src/debugging.jl
 
           julia --project -e 'using MPIPreferences; MPIPreferences.use_system_binary(); using Pkg; Pkg.precompile()'
+          julia --project -O3 --check-bounds=yes precompile.jl --debug 2
 
           # Need to use openmpi so that the following arguments work:
           # * `--mca rmaps_base_oversubscribe 1` allows oversubscription (more processes
@@ -44,4 +45,4 @@ jobs:
           #   terrible performance when oversubscribing.
           ## Don't use --compiled-modules=no for now, as it currently breaks Symbolics.jl
           #mpiexec -np 4 --mca rmaps_base_oversubscribe 1 julia --project --check-bounds=yes --compiled-modules=no debug_test/sound_wave_tests.jl --debug 2
-          mpiexec -np 4 --mca rmaps_base_oversubscribe 1 julia --project --check-bounds=yes debug_test/runtests.jl --debug 2
+          mpiexec -np 4 --mca rmaps_base_oversubscribe 1 julia --project -Jmoment_kinetics.so -O3 --check-bounds=yes debug_test/runtests.jl --debug 2