diff --git a/mbs-fix-empty-requires.patch b/mbs-fix-empty-requires.patch
new file mode 100644
index 0000000..d8e290c
--- /dev/null
+++ b/mbs-fix-empty-requires.patch
@@ -0,0 +1,44 @@
+diff --git a/module_build_service/utils/mse.py b/module_build_service/utils/mse.py
+index 4e7e92b..9b13c9b 100644
+--- a/module_build_service/utils/mse.py
++++ b/module_build_service/utils/mse.py
+@@ -279,7 +279,7 @@ def generate_expanded_mmds(session, mmd, raise_if_stream_ambigous=False, default
+         # Each generated MMD must be new Module object...
+         # TODO: Use copy method once its in released libmodulemd:
+         # https://github.com/fedora-modularity/libmodulemd/pull/20
+-        mmd_copy = Modulemd.Module.new_from_string(current_mmd.dumps())
++        mmd_copy = Modulemd.Module.new_from_string(mmd.dumps())
+         xmd = glib.from_variant_dict(mmd_copy.get_xmd())
+ 
+         # Requires contain the NSVC representing the input mmd.
+diff --git a/tests/test_utils/test_utils_mse.py b/tests/test_utils/test_utils_mse.py
+index 47bc5a3..302e254 100644
+--- a/tests/test_utils/test_utils_mse.py
++++ b/tests/test_utils/test_utils_mse.py
+@@ -213,6 +213,14 @@ class TestUtilsModuleStreamExpansion:
+              set([
+                  frozenset(['gtk:1'])
+              ])),
++
++            ({"gtk": []}, {"gtk": ["1"]}, True,
++             set([
++                 frozenset(['gtk:1:0:c2', 'platform:f28:0:c10'])
++             ]),
++             set([
++                 frozenset(['gtk:1'])
++             ])),
+         ])
+     def test_generate_expanded_mmds_buildrequires(
+             self, requires, build_requires, stream_ambigous, expected_xmd,
+@@ -293,6 +301,11 @@ class TestUtilsModuleStreamExpansion:
+              frozenset(['foo:1', 'gtk:1']),
+          ])),
+ 
++        ({"gtk": [], "foo": []}, {"gtk": ["1"], "foo": ["1"]},
++         set([
++             frozenset([]),
++         ])),
++
+     ])
+     def test_generate_expanded_mmds_requires(self, requires, build_requires, expected):
+         self._generate_default_modules()
diff --git a/module-build-service.spec b/module-build-service.spec
index 7d94545..7d955f5 100644
--- a/module-build-service.spec
+++ b/module-build-service.spec
@@ -1,12 +1,13 @@
 Name:           module-build-service
 Version:        2.0.2
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        The Module Build Service for Modularity
 
 Group:          Development/Tools
 License:        MIT
 URL:            https://pagure.io/fm-orchestrator
 Source0:        https://files.pythonhosted.org/packages/source/m/%{name}/%{name}-%{version}.tar.gz
+Patch0:         mbs-fix-empty-requires.patch
 
 BuildArch:      noarch
 
@@ -146,6 +147,8 @@ for a number of tasks:
 # Workaround because python2-koji has no egg-info file at the momement
 sed -i '/koji/d' requirements.txt
 
+%patch0 -p1
+
 
 # Simply remove an old .pyc file that was included in one release.
 rm -f module_build_service/scheduler/consumer.pyc
@@ -201,6 +204,9 @@ done
 
 
 %changelog
+* Thu Apr 05 2018 Jan Kaluza <jkaluza@redhat.com> - 2.0.2-2
+- fix issue with expanded requires section in case empty list is used as input.
+
 * Thu Apr 05 2018 mprahl <mprahl@redhat.com> - 2.0.2-1
 - New version
 - Clean up dependencies