diff --git a/lisa/tools/git.py b/lisa/tools/git.py
index 01ede6d564..6e2197cf0e 100644
--- a/lisa/tools/git.py
+++ b/lisa/tools/git.py
@@ -178,6 +178,17 @@ def list_commit_ids(self, cwd: pathlib.PurePath) -> List[str]:
         )
         return filter_ansi_escape(result.stdout).splitlines()
 
+    def get_latest_commit_id(self, cwd: pathlib.PurePath) -> str:
+        result = self.run(
+            "--no-pager log -n 1 --pretty=format:%h",
+            shell=True,
+            cwd=cwd,
+            force_run=True,
+            expected_exit_code=0,
+            expected_exit_code_failure_message="Failed to fetch latest commit id.",
+        )
+        return filter_ansi_escape(result.stdout)
+
     def init_submodules(self, cwd: pathlib.PurePath) -> None:
         self.run(
             "submodule update --init",
diff --git a/lisa/transformers/kernel_source_installer.py b/lisa/transformers/kernel_source_installer.py
index a3eb10f02b..659072847d 100644
--- a/lisa/transformers/kernel_source_installer.py
+++ b/lisa/transformers/kernel_source_installer.py
@@ -330,8 +330,8 @@ def get_source_code(self) -> PurePath:
             self._log.info(f"checkout code from: '{runbook.ref}'")
             git.checkout(ref=runbook.ref, cwd=code_path)
 
-        commitids = git.list_commit_ids(cwd=code_path)
-        self._log.info(f"Kernel HEAD is now at : {commitids[0]}")
+        latest_commit_id = git.get_latest_commit_id(cwd=code_path)
+        self._log.info(f"Kernel HEAD is now at : {latest_commit_id}")
 
         return code_path