diff --git a/pubtools/iib/iib_ops.py b/pubtools/iib/iib_ops.py
index 95f312f..879767f 100644
--- a/pubtools/iib/iib_ops.py
+++ b/pubtools/iib/iib_ops.py
@@ -89,7 +89,7 @@
     ("--binary-image",): {
         "group": "IIB service",
         "help": "<hostname>/<namespace>/<image>:<tag> of binary image",
-        "required": True,
+        "required": False,
         "type": str,
     },
     ("--arch",): {
@@ -220,6 +220,9 @@ def _iib_op_main(args, operation=None, items_final_state="PUSHED"):
         if args.iib_legacy_org:
             extra_args["organization"] = args.iib_legacy_org
 
+    if args.binary_image:
+        extra_args["binary_image"] = args.binary_image
+
     if args.overwrite_from_index:
         extra_args["overwrite_from_index"] = args.overwrite_from_index
 
@@ -228,7 +231,6 @@ def _iib_op_main(args, operation=None, items_final_state="PUSHED"):
 
     build_details = bundle_op(
         args.index_image,
-        args.binary_image,
         args.bundle if operation == "add_bundles" else args.operator,
         args.arch,
         **extra_args
diff --git a/requirements.txt b/requirements.txt
index d410f13..d9fcb57 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 six
 setuptools
+pyrsistent<=0.16.0; python_version == '2.7'
 pushcollector
 pubtools-pulp
 iiblib>=0.9.0
diff --git a/tests/fake_task_manager.py b/tests/fake_task_manager.py
index eff68bf..55ed2bb 100644
--- a/tests/fake_task_manager.py
+++ b/tests/fake_task_manager.py
@@ -12,9 +12,9 @@ def _gen_task_id(self):
     def setup_task(
         self,
         index,
-        binary,
         map_or_op,
         arches,
+        binary_image="binary-image",
         state_seq=("in_progress", "finished"),
         op_type="add",
     ):
@@ -28,8 +28,8 @@ def setup_task(
             "from_index": index,
             "from_index_resolved": index + "-resolved",
             "bundles": map_or_op,
-            "binary_image": binary,
-            "binary_image_resolved": binary + "-resolved",
+            "binary_image": binary_image,
+            "binary_image_resolved": binary_image + "-resolved",
             "index_image": "index_image",
             "arches": arches,
         }
diff --git a/tests/test_iib_ops.py b/tests/test_iib_ops.py
index c0b4b3f..d830a81 100644
--- a/tests/test_iib_ops.py
+++ b/tests/test_iib_ops.py
@@ -66,15 +66,21 @@ def setup_entry_point_py(entry_tuple, environ_vars):
 @pytest.fixture
 def fixture_iib_client():
     with mock.patch("iiblib.iibclient.IIBClient") as iibc_patched:
-        iibc_patched.return_value.add_bundles.side_effect = lambda *args, **kwargs: IIBBuildDetailsModel.from_dict(
-            fake_tm.setup_task(*args, **kwargs)
+        iibc_patched.return_value.add_bundles.side_effect = (
+            lambda *args, **kwargs: IIBBuildDetailsModel.from_dict(
+                fake_tm.setup_task(*args, **kwargs)
+            )
         )
-        iibc_patched.return_value.remove_operators.side_effect = lambda *args, **kwargs: IIBBuildDetailsModel.from_dict(
-            fake_tm.setup_task(*args, **kwargs)
+        iibc_patched.return_value.remove_operators.side_effect = (
+            lambda *args, **kwargs: IIBBuildDetailsModel.from_dict(
+                fake_tm.setup_task(*args, **kwargs)
+            )
         )
         iibc_patched.return_value.get_build.side_effect = fake_tm.get_task
-        iibc_patched.return_value.wait_for_build.side_effect = lambda build_details: IIBBuildDetailsModel.from_dict(
-            fake_tm.get_task(build_details.id)
+        iibc_patched.return_value.wait_for_build.side_effect = (
+            lambda build_details: IIBBuildDetailsModel.from_dict(
+                fake_tm.get_task(build_details.id)
+            )
         )
         yield iibc_patched
 
@@ -157,11 +163,11 @@ def add_bundles_mock_calls_tester(
 ):
     fixture_iib_client.return_value.add_bundles.assert_called_once_with(
         "index-image",
-        "binary-image",
         ["bundle1"],
         ["arch"],
         cnr_token="cnr_token",
         organization="legacy-org",
+        binary_image="binary-image",
         overwrite_from_index=True,
         overwrite_from_index_token="overwrite_from_index_token",
     )
@@ -181,11 +187,11 @@ def add_bundles_mock_calls_tester_not_called(
 ):
     fixture_iib_client.return_value.add_bundles.assert_called_once_with(
         "index-image",
-        "binary-image",
         ["bundle1"],
         ["arch"],
         cnr_token="cnr_token",
         organization="legacy-org",
+        binary_image="binary-image",
         overwrite_from_index=True,
         overwrite_from_index_token="overwrite_from_index_token",
     )
@@ -207,9 +213,9 @@ def remove_operators_mock_calls_tester_not_called(
     )
     fixture_iib_client.return_value.remove_operators.assert_called_once_with(
         "index-image",
-        "binary-image",
         ["1"],
         ["arch"],
+        binary_image="binary-image",
         overwrite_from_index=True,
         overwrite_from_index_token="overwrite_from_index_token",
     )
@@ -228,9 +234,9 @@ def remove_operators_mock_calls_tester(
     )
     fixture_iib_client.return_value.remove_operators.assert_called_once_with(
         "index-image",
-        "binary-image",
         ["1"],
         ["arch"],
+        binary_image="binary-image",
         overwrite_from_index=True,
         overwrite_from_index_token="overwrite_from_index_token",
     )
@@ -309,10 +315,14 @@ def test_add_bundles_cli_error(
     repo = fixture_container_image_repo
     fixture_pulp_client.return_value.search_repository.return_value = [repo]
     fixture_pulp_client.return_value.get_repository.return_value = repo
-    fixture_iib_client.return_value.add_bundles.side_effect = lambda *args, **kwargs: IIBBuildDetailsModel.from_dict(
-        fake_tm.setup_task(
-            *args,
-            **dict(list(kwargs.items()) + [("state_seq", ("in_progress", "failed"))])
+    fixture_iib_client.return_value.add_bundles.side_effect = (
+        lambda *args, **kwargs: IIBBuildDetailsModel.from_dict(
+            fake_tm.setup_task(
+                *args,
+                **dict(
+                    list(kwargs.items()) + [("state_seq", ("in_progress", "failed"))]
+                )
+            )
         )
     )
 
@@ -369,10 +379,10 @@ def test_add_bundles_py(
     )
     fixture_iib_client.return_value.add_bundles.assert_called_once_with(
         "index-image",
-        "binary-image",
         ["bundle1"],
         ["arch"],
         cnr_token="cnr_token",
+        binary_image="binary-image",
         overwrite_from_index=True,
         overwrite_from_index_token="overwrite_from_index_token",
     )
@@ -416,10 +426,10 @@ def test_add_bundles_py_multiple_bundles(
     )
     fixture_iib_client.return_value.add_bundles.assert_called_once_with(
         "index-image",
-        "binary-image",
         ["bundle1", "bundle2"],
         ["arch"],
         cnr_token="cnr_token",
+        binary_image="binary-image",
         overwrite_from_index=True,
         overwrite_from_index_token="overwrite_from_index_token",
     )
@@ -461,8 +471,12 @@ def test_remove_operators_cli(
     repo = fixture_container_image_repo
     fixture_pulp_client.return_value.search_repository.return_value = [repo]
     fixture_pulp_client.return_value.get_repository.return_value = repo
-    fixture_iib_client.return_value.remove_operators.side_effect = lambda *args, **kwargs: IIBBuildDetailsModel.from_dict(
-        fake_tm.setup_task(*args, **dict(list(kwargs.items()) + [("op_type", "rm")]))
+    fixture_iib_client.return_value.remove_operators.side_effect = (
+        lambda *args, **kwargs: IIBBuildDetailsModel.from_dict(
+            fake_tm.setup_task(
+                *args, **dict(list(kwargs.items()) + [("op_type", "rm")])
+            )
+        )
     )
     with setup_entry_point_cli(
         ("pubtools_iib", "console_scripts", "pubtools-iib-remove-operators"),
@@ -497,12 +511,14 @@ def test_remove_operators_cli_error(
     repo = fixture_container_image_repo
     fixture_pulp_client.return_value.search_repository.return_value = [repo]
     fixture_pulp_client.return_value.get_repository.return_value = repo
-    fixture_iib_client.return_value.remove_operators.side_effect = lambda *args, **kwargs: IIBBuildDetailsModel.from_dict(
-        fake_tm.setup_task(
-            *args,
-            **dict(
-                list(kwargs.items())
-                + [("state_seq", ("in_progress", "failed")), ("op_type", "rm")]
+    fixture_iib_client.return_value.remove_operators.side_effect = (
+        lambda *args, **kwargs: IIBBuildDetailsModel.from_dict(
+            fake_tm.setup_task(
+                *args,
+                **dict(
+                    list(kwargs.items())
+                    + [("state_seq", ("in_progress", "failed")), ("op_type", "rm")]
+                )
             )
         )
     )
diff --git a/tests/utils.py b/tests/utils.py
index 9c127bc..12ea7cf 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -15,9 +15,9 @@ def _gen_task_id(self):
     def setup_task(
         self,
         index,
-        binary,
         map_or_op,
         arches,
+        binary_image="binary-image",
         cnr_token=None,
         organization=None,
         overwrite_from_index=False,
@@ -34,8 +34,8 @@ def setup_task(
             "state_history": [],
             "from_index": index,
             "from_index_resolved": index + "-resolved",
-            "binary_image": binary,
-            "binary_image_resolved": binary + "-resolved",
+            "binary_image": binary_image,
+            "binary_image_resolved": binary_image + "-resolved",
             "bundle_mapping": {},
             "index_image": "feed.com/index/image:tag",
             "arches": arches,