diff --git a/homeassistant/components/squeezebox/media_player.py b/homeassistant/components/squeezebox/media_player.py
index b3fb82591c9..72a5772a14d 100644
--- a/homeassistant/components/squeezebox/media_player.py
+++ b/homeassistant/components/squeezebox/media_player.py
@@ -538,11 +538,11 @@ class SqueezeBoxDevice(MediaPlayerDevice):
         """
         Call Squeezebox JSON/RPC method.
 
-        Escaped optional parameters are added to the command to form the list
-        of positional parameters (p0, p1...,  pN) passed to JSON/RPC server.
+        Additional parameters are added to the command to form the list of
+        positional parameters (p0, p1...,  pN) passed to JSON/RPC server.
         """
         all_params = [command]
         if parameters:
             for parameter in parameters:
-                all_params.append(urllib.parse.quote(parameter, safe="+:=/?"))
+                all_params.append(parameter)
         return self.async_query(*all_params)