diff --git a/picard/coverart/providers/__init__.py b/picard/coverart/providers/__init__.py
index c2eddba2f..b4c034849 100644
--- a/picard/coverart/providers/__init__.py
+++ b/picard/coverart/providers/__init__.py
@@ -45,11 +45,11 @@ from picard.plugin import ExtensionPoint
 from picard.ui.options import register_options_page
 
 
-_cover_art_providers = ExtensionPoint(label='cover_art_providers')
+ext_point_cover_art_providers = ExtensionPoint(label='cover_art_providers')
 
 
 def register_cover_art_provider(provider):
-    _cover_art_providers.register(provider.__module__, provider)
+    ext_point_cover_art_providers.register(provider.__module__, provider)
     if hasattr(provider, 'OPTIONS') and provider.OPTIONS:
         if not hasattr(provider.OPTIONS, 'NAME'):
             provider.OPTIONS.NAME = provider.name.lower().replace(' ', '_')
@@ -73,7 +73,7 @@ def cover_art_providers():
 
     # use previously built dict to order providers, according to current ca_providers
     # (yet) unknown providers are placed at the end, disabled
-    for p in sorted(_cover_art_providers, key=lambda p: (order[p.name].position, p.name)):
+    for p in sorted(ext_point_cover_art_providers, key=lambda p: (order[p.name].position, p.name)):
         yield ProviderTuple(name=p.name, title=p.title, enabled=order[p.name].enabled, cls=p)