diff --git a/gns3server/controller/topology.py b/gns3server/controller/topology.py
index efee8377..475c8c41 100644
--- a/gns3server/controller/topology.py
+++ b/gns3server/controller/topology.py
@@ -85,6 +85,8 @@ def project_to_topology(project):
         "show_grid": project.show_grid,
         "grid_size": project.grid_size,
         "show_interface_labels": project.show_interface_labels,
+        "variables": project.variables,
+        "supplier": project.supplier,
         "topology": {
             "nodes": [],
             "links": [],
diff --git a/gns3server/schemas/topology.py b/gns3server/schemas/topology.py
index faadf81b..7b319253 100644
--- a/gns3server/schemas/topology.py
+++ b/gns3server/schemas/topology.py
@@ -23,6 +23,8 @@ from gns3server.schemas.compute import COMPUTE_OBJECT_SCHEMA
 from gns3server.schemas.drawing import DRAWING_OBJECT_SCHEMA
 from gns3server.schemas.link import LINK_OBJECT_SCHEMA
 from gns3server.schemas.node import NODE_OBJECT_SCHEMA
+from gns3server.schemas.project import VARIABLES_OBJECT_SCHEMA
+from gns3server.schemas.project import SUPPLIER_OBJECT_SCHEMA
 
 
 TOPOLOGY_SCHEMA = {
@@ -97,6 +99,8 @@ TOPOLOGY_SCHEMA = {
             "type": "boolean",
             "description": "Show interface labels on the drawing area"
         },
+        "supplier": SUPPLIER_OBJECT_SCHEMA,
+        "variables": VARIABLES_OBJECT_SCHEMA,
         "topology": {
             "description": "The topology content",
             "type": "object",
diff --git a/tests/controller/test_topology.py b/tests/controller/test_topology.py
index b5d4b12f..0bf8a0cb 100644
--- a/tests/controller/test_topology.py
+++ b/tests/controller/test_topology.py
@@ -81,6 +81,26 @@ def test_basic_topology(tmpdir, async_run, controller):
     assert topo["topology"]["drawings"][0] == drawing.__json__(topology_dump=True)
 
 
+def test_project_to_topology(tmpdir, controller):
+    variables = [
+        {"name": "TEST1"},
+        {"name": "TEST2", "value": "value1"}
+    ]
+    supplier = {
+        'logo': 'logo.png',
+        'url': 'http://example.com'
+    }
+
+    project = Project(name="Test", controller=controller)
+    compute = Compute("my_compute", controller)
+    compute.http_query = MagicMock()
+    project.variables = variables
+    project.supplier = supplier
+    topo = project_to_topology(project)
+    assert topo["variables"] == variables
+    assert topo["supplier"] == supplier
+
+
 def test_load_topology(tmpdir):
     data = {
         "project_id": "69f26504-7aa3-48aa-9f29-798d44841211",
@@ -137,3 +157,55 @@ def test_load_newer_topology(tmpdir):
         json.dump(data, f)
     with pytest.raises(aiohttp.web.HTTPConflict):
         topo = load_topology(path)
+
+
+def test_load_topology_with_variables(tmpdir):
+    variables = [
+        {"name": "TEST1"},
+        {"name": "TEST2", "value": "value1"}
+    ]
+    data = {
+        "project_id": "69f26504-7aa3-48aa-9f29-798d44841211",
+        "name": "Test",
+        "revision": GNS3_FILE_FORMAT_REVISION,
+        "topology": {
+            "nodes": [],
+            "links": [],
+            "computes": [],
+            "drawings": []
+        },
+        "variables": variables,
+        "type": "topology",
+        "version": __version__}
+
+    path = str(tmpdir / "test.gns3")
+    with open(path, "w+") as f:
+        json.dump(data, f)
+    topo = load_topology(path)
+    assert topo == data
+
+
+def test_load_topology_with_supplier(tmpdir):
+    supplier = {
+        'logo': 'logo.png',
+        'url': 'http://example.com'
+    }
+    data = {
+        "project_id": "69f26504-7aa3-48aa-9f29-798d44841211",
+        "name": "Test",
+        "revision": GNS3_FILE_FORMAT_REVISION,
+        "topology": {
+            "nodes": [],
+            "links": [],
+            "computes": [],
+            "drawings": []
+        },
+        "supplier": supplier,
+        "type": "topology",
+        "version": __version__}
+
+    path = str(tmpdir / "test.gns3")
+    with open(path, "w+") as f:
+        json.dump(data, f)
+    topo = load_topology(path)
+    assert topo == data
\ No newline at end of file
diff --git a/tests/handlers/api/controller/test_project.py b/tests/handlers/api/controller/test_project.py
index 4e70f04d..b0c852fa 100644
--- a/tests/handlers/api/controller/test_project.py
+++ b/tests/handlers/api/controller/test_project.py
@@ -104,6 +104,20 @@ def test_update_project(http_controller):
     assert response.json["name"] == "test2"
 
 
+def test_update_project_with_variables(http_controller):
+    variables = [
+        {"name": "TEST1"},
+        {"name": "TEST2", "value": "value1"}
+    ]
+    query = {"name": "test", "project_id": "10010203-0405-0607-0809-0a0b0c0d0e0f", "variables": variables}
+    response = http_controller.post("/projects", query)
+    assert response.status == 201
+    query = {"name": "test2"}
+    response = http_controller.put("/projects/10010203-0405-0607-0809-0a0b0c0d0e0f", query, example=True)
+    assert response.status == 200
+    assert response.json["variables"] == variables
+
+
 def test_list_projects(http_controller, tmpdir):
     http_controller.post("/projects", {"name": "test", "path": str(tmpdir), "project_id": "00010203-0405-0607-0809-0a0b0c0d0e0f"})
     response = http_controller.get("/projects", example=True)