diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 25fd4b9..b854d23 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -101,7 +101,9 @@ jobs:
         with:
           python-version: "3.12"
           install-extras: "test,orange"
-      - run: python -m gevent.monkey --module pytest . -v $PYTEST_WARNINGS
+      - run: >-
+          python -m gevent.monkey --module pytest . -v $PYTEST_WARNINGS
+          -W "ignore:Field name \"pk\" in \"EmbeddedJsonModel\" shadows an attribute in parent \"JsonModel\":UserWarning"
 
   test-3-12-redis:
     needs: build
@@ -145,7 +147,9 @@ jobs:
           python-version: "3.12"
           install-extras: "test,orange"
       - run: redis-server &
-      - run: python -m gevent.monkey --module pytest . -v $PYTEST_WARNINGS
+      - run: >-
+          python -m gevent.monkey --module pytest . -v $PYTEST_WARNINGS
+          -W "ignore:Field name \"pk\" in \"EmbeddedJsonModel\" shadows an attribute in parent \"JsonModel\":UserWarning"
 
   test-3-12-examples-sql:
     needs: build
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d858f04..dc321bf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add ewoksjob options under `EWOKSJOB_OPTIONS`: ``log_memory_usage`` and ``detect_memory_leaks``.
 - Added ability to handle remote ewoksutils exception types on the client side.
 
+### Fixed
+
+- Raise an error when the configuration from `EWOKS_CONFIG_URI` is empty.
+
 ## [1.5.0] - 2026-03-30
 
 ### Added
diff --git a/src/ewoksjob/config.py b/src/ewoksjob/config.py
index 13ea28d..c4555fb 100644
--- a/src/ewoksjob/config.py
+++ b/src/ewoksjob/config.py
@@ -104,6 +104,10 @@ def read_configuration(cfg_uri: str) -> dict:
     if "celery" in config:
         celery_config = config.pop("celery")
         config = {**config, **celery_config}
+
+    if not config:
+        raise ValueError(f"Celery configuration '{cfg_uri}' is empty")
+
     return config