diff --git a/tests/test_code_report.py b/tests/test_code_report.py
index 34f1a8e0..cc76cb67 100644
--- a/tests/test_code_report.py
+++ b/tests/test_code_report.py
@@ -161,7 +161,7 @@ def finalize(self) -> str:
       ],
       "originalUriBaseIds": {
         "ROOTPATH": {
-          "uri": "my_path"
+          "uri": "file:///my_path"
         }
       }
     }
diff --git a/universum/modules/code_report_collector.py b/universum/modules/code_report_collector.py
index e2ebd49f..35cefba7 100644
--- a/universum/modules/code_report_collector.py
+++ b/universum/modules/code_report_collector.py
@@ -68,14 +68,15 @@ def _process_one_sarif_issue(self, issue, root_uri_base_paths, who) -> None:
             uri = artifact_data.get('uri')
             if not uri:
                 raise ValueError("Unexpected lack of uri tag")
-            path = urllib.parse.unquote(urllib.parse.urlparse(uri).path)
             if artifact_data.get('uriBaseId'):
                 # means path is relative, need to make absolute
                 uri_base_id = artifact_data.get('uriBaseId', '')
-                root_base_path = root_uri_base_paths.get(uri_base_id, '')
-                if uri_base_id and not root_base_path:
+                base_uri = root_uri_base_paths.get(uri_base_id, '')
+                if uri_base_id and not base_uri:
                     raise ValueError(f"Unexpected lack of 'originalUriBaseIds' value for {uri_base_id}")
-                path = str(Path(root_base_path) / path)
+            else:
+                base_uri = ''
+            path = str(Path(urllib.parse.urlparse(urllib.parse.urljoin(base_uri, uri)).path))
             region_data = location_data.get('region')
             if not region_data:
                 continue  # TODO: cover this case as comment to the file as a whole