diff --git a/CHANGELOG.md b/CHANGELOG.md
index 048f20c8d4..bc776bed0e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,7 @@
 
 ### General
 
+- Initialise `docker_image_name` to fix `UnboundLocalError` error ([#2374](https://github.com/nf-core/tools/pull/2374))
 - Fix prompt pipeline revision during launch ([#2375](https://github.com/nf-core/tools/pull/2375))
 
 # [v2.9 - Chromium Falcon](https://github.com/nf-core/tools/releases/tag/2.9) + [2023-06-29]
diff --git a/nf_core/utils.py b/nf_core/utils.py
index 31738edabe..8b73a10921 100644
--- a/nf_core/utils.py
+++ b/nf_core/utils.py
@@ -733,6 +733,7 @@ def get_tag_date(tag_date):
                 # Obtain common builds from Docker and Singularity images
                 common_keys = list(all_docker.keys() & all_singularity.keys())
                 current_date = None
+                docker_image_name = docker_image["image_name"].lstrip("quay.io/") if docker_image is not None else None
                 for k in common_keys:
                     # Get the most recent common image
                     date = max(all_docker[k]["date"], all_docker[k]["date"])