diff --git a/.github/workflows/asan_ubsan_build.yml b/.github/workflows/asan_ubsan_build.yml
index 3f3eca5db..979e2f6f6 100644
--- a/.github/workflows/asan_ubsan_build.yml
+++ b/.github/workflows/asan_ubsan_build.yml
@@ -36,6 +36,8 @@ jobs:
       run: |
         just setenv LDMX_NUM_EVENTS=15
         just setenv LDMX_RUN_NUMBER=1
+        just setenv LSAN_OPTIONS=verbosity=1
+        just setenv LSAN_OPTIONS=log_threads=1
         just fire  ${GITHUB_WORKSPACE}/.github/validation_samples/ecal_pn/config.py 2> output.log
       shell: bash