diff --git a/gns3server/controller/project.py b/gns3server/controller/project.py
index 3c192660..43f9ab0e 100644
--- a/gns3server/controller/project.py
+++ b/gns3server/controller/project.py
@@ -999,7 +999,7 @@ class Project:
         while self._loading:
             await asyncio.sleep(0.5)
 
-    async def duplicate(self, name=None, location=None):
+    async def duplicate(self, name=None, location=None, reset_mac_addresses=True):
         """
         Duplicate a project
 
@@ -1009,6 +1009,7 @@ class Project:
 
         :param name: Name of the new project. A new one will be generated in case of conflicts
         :param location: Parent directory of the new project
+        :param reset_mac_addresses: Reset MAC addresses for the new project
         """
         # If the project was not open we open it temporary
         previous_status = self._status
@@ -1022,7 +1023,7 @@ class Project:
             with tempfile.TemporaryDirectory() as tmpdir:
                 # Do not compress the exported project when duplicating
                 with aiozipstream.ZipFile(compression=zipfile.ZIP_STORED) as zstream:
-                    await export_project(zstream, self, tmpdir, keep_compute_id=True, allow_all_nodes=True, reset_mac_addresses=True)
+                    await export_project(zstream, self, tmpdir, keep_compute_id=True, allow_all_nodes=True, reset_mac_addresses=reset_mac_addresses)
 
                     # export the project to a temporary location
                     project_path = os.path.join(tmpdir, "project.gns3p")
diff --git a/gns3server/handlers/api/controller/project_handler.py b/gns3server/handlers/api/controller/project_handler.py
index 066e2781..bec9605b 100644
--- a/gns3server/handlers/api/controller/project_handler.py
+++ b/gns3server/handlers/api/controller/project_handler.py
@@ -35,7 +35,8 @@ from gns3server.schemas.project import (
     PROJECT_OBJECT_SCHEMA,
     PROJECT_UPDATE_SCHEMA,
     PROJECT_LOAD_SCHEMA,
-    PROJECT_CREATE_SCHEMA
+    PROJECT_CREATE_SCHEMA,
+    PROJECT_DUPLICATE_SCHEMA
 )
 
 import logging
@@ -313,6 +314,11 @@ class ProjectHandler:
             include_images = True
         else:
             include_images = False
+        if request.query.get("reset_mac_addresses", "no").lower() == "yes":
+            reset_mac_addresses = True
+        else:
+            reset_mac_addresses = False
+
         compression_query = request.query.get("compression", "zip").lower()
         if compression_query == "zip":
             compression = zipfile.ZIP_DEFLATED
@@ -327,7 +333,7 @@ class ProjectHandler:
             begin = time.time()
             with tempfile.TemporaryDirectory() as tmp_dir:
                 with aiozipstream.ZipFile(compression=compression) as zstream:
-                    await export_project(zstream, project, tmp_dir, include_snapshots=include_snapshots, include_images=include_images)
+                    await export_project(zstream, project, tmp_dir, include_snapshots=include_snapshots, include_images=include_images, reset_mac_addresses=reset_mac_addresses)
 
                     # We need to do that now because export could failed and raise an HTTP error
                     # that why response start need to be the later possible
@@ -398,7 +404,7 @@ class ProjectHandler:
         parameters={
             "project_id": "Project UUID",
         },
-        input=PROJECT_CREATE_SCHEMA,
+        input=PROJECT_DUPLICATE_SCHEMA,
         output=PROJECT_OBJECT_SCHEMA,
         status_codes={
             201: "Project duplicate",
@@ -419,7 +425,9 @@ class ProjectHandler:
         else:
             location = None
 
-        new_project = await project.duplicate(name=request.json.get("name"), location=location)
+        reset_mac_addresses = request.json.get("reset_mac_addresses", False)
+
+        new_project = await project.duplicate(name=request.json.get("name"), location=location, reset_mac_addresses=reset_mac_addresses)
 
         response.json(new_project)
         response.set_status(201)
diff --git a/gns3server/schemas/project.py b/gns3server/schemas/project.py
index 1c4e50d1..b65b745b 100644
--- a/gns3server/schemas/project.py
+++ b/gns3server/schemas/project.py
@@ -15,6 +15,8 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import copy
+
 SUPPLIER_OBJECT_SCHEMA = {
     "type": ["object", "null"],
     "description": "Supplier of the project",
@@ -120,6 +122,13 @@ PROJECT_CREATE_SCHEMA = {
     "required": ["name"]
 }
 
+# Create a project duplicate schema based on create schema and add "reset_mac_addresses" properties
+PROJECT_DUPLICATE_SCHEMA = copy.deepcopy(PROJECT_CREATE_SCHEMA)
+PROJECT_DUPLICATE_SCHEMA["description"] = "Request validation to duplicate a Project instance"
+PROJECT_DUPLICATE_SCHEMA["properties"].update({"reset_mac_addresses": {"type": "boolean",
+                                                                       "description": "Reset MAC addresses for this project"
+                                                                      }})
+
 PROJECT_UPDATE_SCHEMA = {
     "$schema": "http://json-schema.org/draft-04/schema#",
     "description": "Request validation to update a Project instance",