diff --git a/weboob/applications/radioob/radioob.py b/weboob/applications/radioob/radioob.py
index de68365f..88c4d9ed 100644
--- a/weboob/applications/radioob/radioob.py
+++ b/weboob/applications/radioob/radioob.py
@@ -301,16 +301,9 @@ class Radioob(ReplApplication):
             except (IndexError, ValueError):
                 pass
 
-        m = re.match('^(\w+)\.(.*)', _id)
+        m = ICapAudio.get_object_method(_id)
         if m:
-            if m.group(1) == 'album':
-                return self.get_object(_id, 'get_album')
-
-            elif m.group(1) == 'playlist':
-                return self.get_object(_id, 'get_playlist')
-
-            else:
-                return self.get_object(_id, 'get_audio')
+            return self.get_object(_id, m)
 
         return self.get_object(_id, 'get_radio')
 
diff --git a/weboob/capabilities/audio.py b/weboob/capabilities/audio.py
index 823557ab..10262ec5 100644
--- a/weboob/capabilities/audio.py
+++ b/weboob/capabilities/audio.py
@@ -110,6 +110,20 @@ class ICapAudio(ICapFile):
     """
     Audio file provider
     """
+
+    @classmethod
+    def get_object_method(cls, _id):
+        m = re.match('^(\w+)\.(.*)', _id)
+        if m:
+            if m.group(1) == 'album':
+                return 'get_album'
+
+            elif m.group(1) == 'playlist':
+                return 'get_playlist'
+
+            else:
+                return 'get_audio'
+
     def search_audio(self, pattern, sortby=ICapFile.SEARCH_RELEVANCE):
         """
         search for a audio file