diff --git a/README.md b/README.md
index 51638891..ca8e6875 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ feeling for use cases for the package.
 
 ## Installation
 Using an environment manager such as
-[Anaconda](https://www.anaconda.com/products/individual) or
+[miniforge](https://github.com/conda-forge/miniforge) or
 [venv](https://docs.python.org/3/library/venv.html) to create a new
 Python environment before installing the Intel® Geti™ SDK and its requirements is
 highly recommended.
diff --git a/geti_sdk/rest_clients/annotation_clients/base_annotation_client.py b/geti_sdk/rest_clients/annotation_clients/base_annotation_client.py
index 5c7c0111..9f42b9b6 100644
--- a/geti_sdk/rest_clients/annotation_clients/base_annotation_client.py
+++ b/geti_sdk/rest_clients/annotation_clients/base_annotation_client.py
@@ -158,9 +158,13 @@ def __get_label_mapping(self, project: Project) -> Dict[str, str]:
                 label_name = label.name
             project_label_name_to_label[label_name] = label
 
-        source_label_names = self.annotation_reader.get_all_label_names()
+        source_label_names = set(self.annotation_reader.get_all_label_names())
         source_label_name_to_project_label_id: Dict[str, str] = {}
-        for source_label_name in source_label_names:
+        # We include the project label names in the mapping, as we want to ensure that
+        # we can match the labels from the source to the project labels.
+        for source_label_name in source_label_names.union(
+            project_label_name_to_label.keys()
+        ):
             if source_label_name in project_label_name_to_label:
                 label_id = project_label_name_to_label[source_label_name].id
             elif (