diff --git a/geminidr/gnirs/tests/longslit/test_sky_stacking.py b/geminidr/gnirs/tests/longslit/test_sky_stacking.py
index 85aa0edf7..19e4ddc39 100644
--- a/geminidr/gnirs/tests/longslit/test_sky_stacking.py
+++ b/geminidr/gnirs/tests/longslit/test_sky_stacking.py
@@ -11,7 +11,7 @@
 import pytest
 
 # ---- Parameters -------------------------------------------------------------
-associate_sky_params = {'time': 600., 'min_skies': 3, 'distance': 0,
+associate_sky_params = {'time': 600., 'min_skies': 3, 'distance': 2,
                         'max_skies': None, 'use_all': False, 'sky': None}
 
 # ---- Fixtures ---------------------------------------------------------------