diff --git a/gns3server/utils/images.py b/gns3server/utils/images.py
index a838a1d1d..c58a263c2 100644
--- a/gns3server/utils/images.py
+++ b/gns3server/utils/images.py
@@ -18,7 +18,6 @@
 import os
 import hashlib
 
-
 from ..config import Config
 from . import force_unix_path
 
@@ -36,6 +35,7 @@ def scan_for_images(type):
     files = set()
     paths = []
     for directory in images_directories(type):
+        directory = os.path.normpath(directory)
         for root, _, filenames in os.walk(directory):
             for file in filenames:
                 path = os.path.join(root, file)
@@ -46,7 +46,7 @@ def scan_for_images(type):
                             or (file.endswith(".bin") and type == "iou") \
                             or (not file.endswith(".bin") and not file.endswith(".image") and type == "qemu"):
                         files.add(file)
-                        paths.append(path)
+                        paths.append(force_unix_path(path))
     return paths
 
 
diff --git a/tests/controller/test_project.py b/tests/controller/test_project.py
index 60ae678b0..46bcd6e44 100644
--- a/tests/controller/test_project.py
+++ b/tests/controller/test_project.py
@@ -17,6 +17,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import os
+import sys
 import uuid
 import json
 import pytest
@@ -109,7 +110,7 @@ def test_init_path(tmpdir):
     p = Project(path=str(tmpdir), project_id=str(uuid4()), name="Test")
     assert p.path == str(tmpdir)
 
-
+@pytest.mark.skipif(sys.platform.startswith("win"), reason="Not supported on Windows")
 def test_changing_path_with_quote_not_allowed(tmpdir):
     with pytest.raises(aiohttp.web.HTTPForbidden):
         p = Project(project_id=str(uuid4()), name="Test")
diff --git a/tests/handlers/api/compute/test_capabilities.py b/tests/handlers/api/compute/test_capabilities.py
index 2280b839a..e95952912 100644
--- a/tests/handlers/api/compute/test_capabilities.py
+++ b/tests/handlers/api/compute/test_capabilities.py
@@ -19,12 +19,14 @@
 This test suite check /version endpoint
 It's also used for unittest the HTTP implementation.
 """
+import sys
+import pytest
 
 from gns3server.config import Config
 
 from gns3server.version import __version__
 
-
+@pytest.mark.skipif(sys.platform.startswith("win"), reason="Not supported on Windows")
 def test_get(http_compute, windows_platform):
     """
     Nat, is supported outside linux
@@ -34,6 +36,7 @@ def test_get(http_compute, windows_platform):
     assert response.json == {'node_types': ['cloud', 'ethernet_hub', 'ethernet_switch', 'vpcs', 'virtualbox', 'dynamips', 'frame_relay_switch', 'atm_switch', 'qemu', 'vmware', 'docker', 'iou'], 'version': __version__}
 
 
+@pytest.mark.skipif(sys.platform.startswith("win"), reason="Not supported on Windows")
 def test_get_on_gns3vm(http_compute, on_gns3vm):
     response = http_compute.get('/capabilities', example=True)
     assert response.status == 200
diff --git a/tests/handlers/api/compute/test_docker.py b/tests/handlers/api/compute/test_docker.py
index 003477418..6cd75a13c 100644
--- a/tests/handlers/api/compute/test_docker.py
+++ b/tests/handlers/api/compute/test_docker.py
@@ -26,6 +26,7 @@ from tests.utils import asyncio_patch
 from unittest.mock import patch, MagicMock, PropertyMock
 from gns3server.compute.docker import Docker
 
+pytestmark = pytest.mark.skipif(sys.platform.startswith("win"), reason="Not supported on Windows")
 
 @pytest.fixture
 def base_params():
diff --git a/tests/handlers/api/controller/test_symbol.py b/tests/handlers/api/controller/test_symbol.py
index 4ef0c78a7..be6e7df0a 100644
--- a/tests/handlers/api/controller/test_symbol.py
+++ b/tests/handlers/api/controller/test_symbol.py
@@ -16,6 +16,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import os
+import sys
 import urllib.parse
 
 from gns3server.config import Config
@@ -34,7 +35,11 @@ def test_symbols(http_controller):
 def test_get(http_controller):
     response = http_controller.get('/symbols/' + urllib.parse.quote(':/symbols/firewall.svg') + '/raw')
     assert response.status == 200
-    assert response.headers['CONTENT-LENGTH'] == '9381'
+    # Different carriage return
+    if sys.platform.startswith("win"):
+        assert response.headers['CONTENT-LENGTH'] == '9568'
+    else:
+        assert response.headers['CONTENT-LENGTH'] == '9381'
     assert response.headers['CONTENT-TYPE'] == 'image/svg+xml'
     assert '</svg>' in response.html
 
diff --git a/tests/utils/test_images.py b/tests/utils/test_images.py
index 5fb0fad2f..42bf6faae 100644
--- a/tests/utils/test_images.py
+++ b/tests/utils/test_images.py
@@ -39,9 +39,9 @@ def test_images_directories(tmpdir):
 
         # /tmp/null24564 is ignored because doesn't exists
         res = images_directories("qemu")
-        assert res[0] == str(tmpdir / "images1" / "QEMU")
-        assert res[1] == str(tmpdir / "images2")
-        assert res[2] == str(tmpdir / "images1")
+        assert res[0] == force_unix_path(str(tmpdir / "images1" / "QEMU"))
+        assert res[1] == force_unix_path(str(tmpdir / "images2"))
+        assert res[2] == force_unix_path(str(tmpdir / "images1"))
         assert len(res) == 3
 
 
@@ -115,7 +115,7 @@ def test_scan_for_images(tmpdir):
 
     with patch("gns3server.config.Config.get_section_config", return_value={
             "images_path": str(tmpdir / "images1"),
-            "additional_images_path": "/tmp/null24564;{}".format(tmpdir / "images2"),
+            "additional_images_path": "/tmp/null24564;{}".format(str(tmpdir / "images2")),
             "local": False}):
 
         assert scan_for_images("dynamips") == [str(path1), str(path2)]