diff --git a/pubtools/pulplib/_impl/client/client.py b/pubtools/pulplib/_impl/client/client.py
index a963304d..b5ce9244 100644
--- a/pubtools/pulplib/_impl/client/client.py
+++ b/pubtools/pulplib/_impl/client/client.py
@@ -203,11 +203,11 @@ def search_repository(self, criteria=None):
             Repository, "repositories", criteria=criteria, search_options=search_options
         )
 
-    def search_repository_content(self, repository_id, type_ids, criteria=None):
+    def search_repository_content(self, repo_id, type_ids, criteria=None):
         """Search the given repository for content matching the given criteria.
 
         Args:
-            repository_id (str)
+            repo_id (str)
                 The ID of the repository to search.
             type_ids (str, list, tuple)
                 A list of content types to search.
@@ -225,7 +225,7 @@ def search_repository_content(self, repository_id, type_ids, criteria=None):
 
         .. versionadded:: 2.4.0
         """
-        resource_type = "repositories/%s" % repository_id
+        resource_type = "repositories/%s" % repo_id
         search_options = {"type_ids": validate_type_ids(type_ids)}
         return list(
             self._search(
diff --git a/pubtools/pulplib/_impl/fake/client.py b/pubtools/pulplib/_impl/fake/client.py
index fa09a2c2..2b0712d5 100644
--- a/pubtools/pulplib/_impl/fake/client.py
+++ b/pubtools/pulplib/_impl/fake/client.py
@@ -91,14 +91,14 @@ def search_repository(self, criteria=None):
         random.shuffle(repos)
         return self._prepare_pages(repos)
 
-    def search_repository_content(self, repository_id, type_ids, criteria=None):
+    def search_repository_content(self, repo_id, type_ids, criteria=None):
         criteria = criteria or Criteria.true()
         units = []
 
         filters_for_criteria(criteria, Unit)
 
         try:
-            for unit in self._repo_units[repository_id]:
+            for unit in self._repo_units[repo_id]:
                 if unit.content_type_id in validate_type_ids(type_ids) and match_object(
                     criteria, unit
                 ):
diff --git a/pubtools/pulplib/_impl/model/unit/modulemd_defaults.py b/pubtools/pulplib/_impl/model/unit/modulemd_defaults.py
index 2d109ee8..912750f0 100644
--- a/pubtools/pulplib/_impl/model/unit/modulemd_defaults.py
+++ b/pubtools/pulplib/_impl/model/unit/modulemd_defaults.py
@@ -18,7 +18,7 @@ class ModulemdDefaultsUnit(Unit):
     stream = pulp_attrib(type=str, pulp_field="stream")
     """The stream of this modulemd defaults unit"""
 
-    repository_id = pulp_attrib(type=str, pulp_field="repo_id")
+    repo_id = pulp_attrib(type=str, pulp_field="repo_id")
     """The repository ID bound to this modulemd defaults unit"""
 
     profiles = pulp_attrib(pulp_field="profiles")
diff --git a/tests/client/test_client.py b/tests/client/test_client.py
index 712b1732..36b18980 100644
--- a/tests/client/test_client.py
+++ b/tests/client/test_client.py
@@ -82,7 +82,7 @@ def test_can_search_repository_content(client, requests_mocker):
         ModulemdDefaultsUnit(
             content_type_id="modulemd_defaults",
             name="mdd",
-            repository_id="mdd-repo",
+            repo_id="mdd-repo",
             stream="1.0",
             profiles={"p1": ["something"]},
         )