diff --git a/asv.conf.json b/asv.conf.json
index 235171c5480..6833cfb0682 100644
--- a/asv.conf.json
+++ b/asv.conf.json
@@ -3,18 +3,30 @@
     "project": "tardis",
     "project_url": "https://tardis-sn.github.io/tardis",
     "repo": ".",
-    "install_command": ["in-dir={env_dir} python -mpip install {wheel_file}"],
-    "uninstall_command": ["return-code=any python -mpip uninstall -y {project}"],
+    "install_command": [
+        "in-dir={env_dir} python -mpip install {wheel_file}"
+    ],
+    "uninstall_command": [
+        "return-code=any python -mpip uninstall -y {project}"
+    ],
     "build_command": [
         "python setup.py build",
         "PIP_NO_BUILD_ISOLATION=false python -mpip wheel --no-deps --no-index -w {build_cache_dir} {build_dir}"
     ],
-    "branches": ["origin/master", "HEAD"],
+    "branches": [
+        "origin/master",
+        "HEAD"
+    ],
     "environment_type": "mamba",
     "show_commit_url": "https://github.com/tardis-sn/tardis/commit/",
     "conda_environment_file": "tardis_env3.yml",
     "benchmark_dir": "benchmarks",
     "env_dir": ".asv/env",
     "results_dir": ".asv/results",
-    "html_dir": ".asv/html"
-}
+    "html_dir": ".asv/html",
+    "matrix": {
+        "env": {
+            "TARDIS_REF_PATH": "tardis-refdata/atom_data"
+        }
+    }
+}
\ No newline at end of file
diff --git a/benchmarks/benchmark_base.py b/benchmarks/benchmark_base.py
index e64743a1f08..e6b509b7c34 100644
--- a/benchmarks/benchmark_base.py
+++ b/benchmarks/benchmark_base.py
@@ -1,6 +1,6 @@
 import functools
+from os import environ as env
 from copy import deepcopy
-from os.path import dirname, join, realpath
 from pathlib import Path
 
 import numpy as np
@@ -26,14 +26,13 @@ class BenchmarkBase:
     timeout = 600
 
     @staticmethod
-    def get_relative_path(partial_path: str):
-        path = dirname(realpath(__file__))
-        targets = Path(partial_path).parts
+    def get_relative_path(partial_path: str) -> str:
+        path = Path(__file__).resolve().parent
 
-        for target in targets:
-            path = join(path, target)
+        for target in Path(partial_path).parts:
+            path = path / target
 
-        return path
+        return str(path)
 
     def get_absolute_path(self, partial_path):
         partial_path = "../" + partial_path
@@ -61,7 +60,8 @@ def config_rpacket_tracking(self):
     @functools.cached_property
     def tardis_ref_path(self):
         ref_data_path = Path(
-            Path(__file__).parent.parent, "tardis-refdata"
+            Path(__file__).parent.parent,
+            env.get("TARDIS_REF_PATH")
         ).resolve()
         return ref_data_path
 
@@ -78,7 +78,7 @@ def atomic_dataset(self) -> AtomData:
     @functools.cached_property
     def atomic_data_fname(self):
         atomic_data_fname = (
-            f"{self.tardis_ref_path}/atom_data/kurucz_cd23_chianti_H_He.h5"
+            f"{self.tardis_ref_path}/kurucz_cd23_chianti_H_He.h5"
         )
 
         if not Path(atomic_data_fname).exists():