diff --git a/metasyn/testutils.py b/metasyn/testutils.py
index e07fe779..4a7e2dad 100644
--- a/metasyn/testutils.py
+++ b/metasyn/testutils.py
@@ -46,7 +46,7 @@ def check_distribution_provider(provider_name: str):
 
 
 def check_distribution(distribution: type[BaseDistribution], privacy: BasePrivacy,
-                       provenance: str):
+                       provenance: str, test_empty: bool=True):
     """Check whether the distributions in the package can be validated positively.
 
     Arguments
@@ -57,6 +57,9 @@ def check_distribution(distribution: type[BaseDistribution], privacy: BasePrivac
         Level/type of privacy the distribution adheres to.
     provenance:
         Which provider/plugin/package provides the distribution.
+    test_empty:
+        If this is set to true, this will also check empty series and if the distribution
+        can fit them. Otherwise, ignore testing the distribution on empty series.
     """
     # Check the schema of the distribution.
     schema = distribution.schema()
@@ -86,9 +89,10 @@ def check_distribution(distribution: type[BaseDistribution], privacy: BasePrivac
     assert isinstance(new_dist, distribution)
     assert set(list(new_dist.to_dict())) >= set(
         ("implements", "provenance", "class_name", "parameters"))
-    empty_series = pl.Series([], dtype=series.dtype)
-    new_dist = distribution.fit(empty_series, **privacy.fit_kwargs)
-    assert isinstance(new_dist, distribution)
+    if test_empty:
+        empty_series = pl.Series([], dtype=series.dtype)
+        new_dist = distribution.fit(empty_series, **privacy.fit_kwargs)
+        assert isinstance(new_dist, distribution)