diff --git a/.github/workflows/test_package.yml b/.github/workflows/test_package.yml
index 562a5363c97b..25ea751a0fda 100644
--- a/.github/workflows/test_package.yml
+++ b/.github/workflows/test_package.yml
@@ -49,6 +49,5 @@ jobs:
       - name: "Testing package"
         run: |
           ./build_tools/github_actions/docker_run.sh \
-            --env LLVM_EXTERNAL_LIT=$PWD/third_party/llvm-project/llvm/utils/lit/lit.py \
             gcr.io/iree-oss/base@sha256:61e9aae211007dbad95e1f429e9e5121fd5968c204791038424979c21146cf75 \
           ./build_tools/pkgci/test_package.sh iree-dist
diff --git a/build_tools/pkgci/test_package.sh b/build_tools/pkgci/test_package.sh
index be24411acfa5..6314359efb00 100755
--- a/build_tools/pkgci/test_package.sh
+++ b/build_tools/pkgci/test_package.sh
@@ -31,7 +31,7 @@ set -x
 PACKAGE_DIR="$1"
 SOURCE_DIR_ROOT=$(git rev-parse --show-toplevel)
 TEST_BUILD_DIR="${TEST_BUILD_DIR:-build-tests}"
-LLVM_EXTERNAL_LIT="${LLVM_EXTERNAL_LIT:-$(which lit)}"
+LLVM_EXTERNAL_LIT="${LLVM_EXTERNAL_LIT:-${SOURCE_DIR_ROOT}/third_party/llvm-project/llvm/utils/lit/lit.py}"
 
 # Respect user settings, but default to as many test actions as we have cores.
 get_default_parallel_level() {