diff --git a/python/tests/beagle_numba.py b/python/tests/beagle_numba.py
index 8ddecffc9f..bee828783f 100644
--- a/python/tests/beagle_numba.py
+++ b/python/tests/beagle_numba.py
@@ -588,7 +588,7 @@ def interpolate_allele_probs(
                             probs[i, a] += (1 - w) * state_mat[k, j]
     # Rescale probabilities.
     # TODO: Check if this is necessary. Could this be a subtle source of error?
-    assert np.all(np.sum(probs, axis=1) > 0), "Sum of allele probabilities is not >= 0."
+    assert np.all(np.sum(probs, axis=1) > 0), "Sum of allele probabilities is not > 0."
     probs_rescaled = probs / np.sum(probs, axis=1)[:, np.newaxis]
     if return_weights:
         return (probs_rescaled, weights)