diff --git a/discO/conftest.py b/discO/conftest.py
index 76fdbc3e..eb007015 100644
--- a/discO/conftest.py
+++ b/discO/conftest.py
@@ -12,6 +12,8 @@
 # IMPORTS
 
 # STDLIB
+import configparser
+import importlib
 import os
 
 # THIRD PARTY
@@ -55,9 +57,28 @@
 if not HAS_GALPY:
     collect_ignore.append("plugin/galpy/")
 else:
-    from galpy.util import config as galpy_config
-    galpy_config.__config__["astropy"]["astropy-units"] = "True"
-    galpy_config.__config__["astropy"]["astropy-coords"] = "True"
+    # THIRD PARTY
+    import galpy
+
+    importlib.reload(galpy)
+
+    if ".tmp" in os.getcwd():
+
+        # THIRD PARTY
+        from galpy.util import config as galpy_config
+
+        # configuration
+        galpy_config._APY_LOADED = True
+        galpy_config.__config__.set("astropy", "astropy-units", "True")
+        galpy_config.__config__.set("astropy", "astropy-coords", "True")
+
+        # write config and read it
+        cfilename = os.path.join(os.path.expanduser("~"), ".galpyrc")
+        galpy_config.write_config(cfilename, galpy_config.__config__)
+
+        __config__ = configparser.ConfigParser()
+        __config__.read(cfilename)
+        galpy_config.__config__ = __config__
 
 
 # ------------------------------------------------------
diff --git a/discO/setup_package.py b/discO/setup_package.py
index 9bf74230..873d2a30 100644
--- a/discO/setup_package.py
+++ b/discO/setup_package.py
@@ -8,6 +8,9 @@
 
 from __future__ import absolute_import
 
+# STDLIB
+import importlib
+
 __all__ = ["HAS_AGAMA", "HAS_GALA", "HAS_GALPY", "HAS_TQDM"]
 
 
@@ -48,12 +51,16 @@
 else:
     HAS_GALPY = True
 
-    # TODO better way of ensuring unit!
+    importlib.reload(galpy)
+
     # THIRD PARTY
-    from galpy.util.config import __config__
+    from galpy.util import config as galpy_config
 
-    __config__.set("astropy", "astropy-units", "True")
-    __config__.set("astropy", "astropy-coords", "True")
+    # configuration
+    galpy_config._APY_LOADED = True
+    galpy_config.__config__.set("astropy", "astropy-units", "True")
+    galpy_config.__config__.set("astropy", "astropy-coords", "True")
+    galpy_config.default_configuration["astropy"]["astropy-units"] = True
 
 # /try
 
diff --git a/setup.cfg b/setup.cfg
index 25fbeed8..78c9b9c0 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -17,6 +17,7 @@ packages = find:
 python_requires = >=3.8
 setup_requires = setuptools_scm
 install_requires =
+    extension_helpers
     astropy >= 4.3
     numpy >= 1.17
     PyYAML