diff --git a/scripts/run_tests.sh b/scripts/run_tests.sh
index b3222c7be64..74c68a70c22 100755
--- a/scripts/run_tests.sh
+++ b/scripts/run_tests.sh
@@ -150,6 +150,7 @@ exec env -i \
   PYTHONHASHSEED=0 \
   PYTHONUTF8=1 \
   ${HERMES_TEST_WORKERS:+HERMES_TEST_WORKERS="$HERMES_TEST_WORKERS"} \
+  ${HERMES_TEST_IMAGE:+HERMES_TEST_IMAGE="$HERMES_TEST_IMAGE"} \
   ${HERMES_RUN_SLOW_PET_TESTS:+HERMES_RUN_SLOW_PET_TESTS="$HERMES_RUN_SLOW_PET_TESTS"} \
   ${HERMES_E2E_BROWSER:+HERMES_E2E_BROWSER="$HERMES_E2E_BROWSER"} \
   ${EXTRA_PYTHONPATH:+PYTHONPATH="$EXTRA_PYTHONPATH"} \