diff --git a/gns3server/utils/images.py b/gns3server/utils/images.py
index 0f7bc8f5..794d19e7 100644
--- a/gns3server/utils/images.py
+++ b/gns3server/utils/images.py
@@ -79,7 +79,7 @@ def list_images(type):
 
                             images.append({
                                 "filename": filename,
-                                "path": path,
+                                "path": force_unix_path(path),
                                 "md5sum": md5sum(os.path.join(root, filename)),
                                 "filesize": os.stat(os.path.join(root, filename)).st_size})
                         except OSError as e:
diff --git a/tests/handlers/api/controller/test_symbol.py b/tests/handlers/api/controller/test_symbol.py
index be6a4010..0d41f441 100644
--- a/tests/handlers/api/controller/test_symbol.py
+++ b/tests/handlers/api/controller/test_symbol.py
@@ -35,11 +35,7 @@ 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
-    # 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-LENGTH'] == '9381'
     assert response.headers['CONTENT-TYPE'] == 'image/svg+xml'
     assert '</svg>' in response.html