diff --git a/ngmix/tests/test_metacal_cache.py b/ngmix/tests/test_metacal_cache.py
index 4d35b791..b50a0d69 100644
--- a/ngmix/tests/test_metacal_cache.py
+++ b/ngmix/tests/test_metacal_cache.py
@@ -11,6 +11,8 @@
 
 @flaky(max_runs=10)
 def test_metacal_cache():
+    _cached_galsim_stuff.cache_clear()
+
     # first warm up numba
     rng = np.random.RandomState(seed=100)
     obs = _get_obs(rng, noise=0.005, set_noise_image=True, psf_fwhm=0.8, n=300)