diff --git a/esmvalcore/config/config-logging.yml b/esmvalcore/config/config-logging.yml
index 3e1b473036..b8088dd43d 100644
--- a/esmvalcore/config/config-logging.yml
+++ b/esmvalcore/config/config-logging.yml
@@ -12,7 +12,7 @@ formatters:
 filters:
   only_ours: # only keep events from known loggers
     (): esmvalcore.config._logging.FilterMultipleNames
-    names: [esmvalcore, esmvaltool, intake-esgf]
+    names: [esmvalcore, esmvaltool, intake-esgf, py.warnings]
     mode: allow
   only_cmor: # only events from CMOR check and generic fixes
     (): esmvalcore.config._logging.FilterMultipleNames
diff --git a/esmvalcore/local.py b/esmvalcore/local.py
index e125602d7c..058e9c50e3 100644
--- a/esmvalcore/local.py
+++ b/esmvalcore/local.py
@@ -21,7 +21,7 @@
     get_project_config,
     load_config_developer,
 )
-from esmvalcore.exceptions import RecipeError
+from esmvalcore.exceptions import ESMValCoreDeprecationWarning, RecipeError
 from esmvalcore.io.local import (
     LocalDataSource,
     LocalFile,
@@ -212,7 +212,7 @@ def find_files(
         "The function 'esmvalcore.local.find_files' is deprecated and will be removed "
         "in version 2.16.0. Please use 'esmvalcore.local.LocalDataSource.find_data'"
     )
-    warnings.warn(msg, DeprecationWarning, stacklevel=2)
+    warnings.warn(msg, ESMValCoreDeprecationWarning, stacklevel=2)
 
     facets = dict(facets)
     if "original_short_name" in facets: