diff --git a/resources/prosody-plugins/mod_av_moderation_component.lua b/resources/prosody-plugins/mod_av_moderation_component.lua
index ff4160939..340da49a6 100644
--- a/resources/prosody-plugins/mod_av_moderation_component.lua
+++ b/resources/prosody-plugins/mod_av_moderation_component.lua
@@ -1,4 +1,4 @@
-local get_room_by_name_and_subdomain = module:require 'util'.get_room_by_name_and_subdomain;
+local get_room_from_session = module:require 'util'.get_room_from_session;
 local is_healthcheck_room = module:require 'util'.is_healthcheck_room;
 local internal_room_jid_match_rewrite = module:require "util".internal_room_jid_match_rewrite;
 local room_jid_match_rewrite = module:require "util".room_jid_match_rewrite;
@@ -129,7 +129,7 @@ function on_message(event)
 
     if moderation_command then
         -- get room name with tenant and find room
-        local room = get_room_by_name_and_subdomain(session.jitsi_web_query_room, session.jitsi_web_query_prefix);
+        local room = get_room_from_session(session);
 
         if not room then
             module:log('warn', 'No room found found for %s/%s',
diff --git a/resources/prosody-plugins/mod_end_conference.lua b/resources/prosody-plugins/mod_end_conference.lua
index 5ebda3217..97491ece0 100644
--- a/resources/prosody-plugins/mod_end_conference.lua
+++ b/resources/prosody-plugins/mod_end_conference.lua
@@ -9,7 +9,7 @@
 -- Component "endconference.jitmeet.example.com" "end_conference"
 --     muc_component = muc.jitmeet.example.com
 --
-local get_room_by_name_and_subdomain = module:require 'util'.get_room_by_name_and_subdomain;
+local get_room_from_session = module:require 'util'.get_room_from_session;
 
 local END_CONFERENCE_REASON = 'The meeting has been terminated';
 
@@ -51,7 +51,7 @@ function on_message(event)
 
     if moderation_command then
         -- get room name with tenant and find room
-        local room = get_room_by_name_and_subdomain(session.jitsi_web_query_room, session.jitsi_web_query_prefix);
+        local room = get_room_from_session(session);
 
         if not room then
             module:log('warn', 'No room found found for %s/%s',
diff --git a/resources/prosody-plugins/mod_muc_breakout_rooms.lua b/resources/prosody-plugins/mod_muc_breakout_rooms.lua
index 5113274aa..d4d615a70 100644
--- a/resources/prosody-plugins/mod_muc_breakout_rooms.lua
+++ b/resources/prosody-plugins/mod_muc_breakout_rooms.lua
@@ -31,6 +31,7 @@ local st = require 'util.stanza';
 local uuid_gen = require 'util.uuid'.generate;
 
 local util = module:require 'util';
+local get_room_from_session = util.get_room_from_session;
 local internal_room_jid_match_rewrite = util.internal_room_jid_match_rewrite;
 local is_healthcheck_room = util.is_healthcheck_room;
 
@@ -253,7 +254,7 @@ function on_message(event)
     end
 
     -- get room name with tenant and find room
-    local room = get_room_by_name_and_subdomain(session.jitsi_web_query_room, session.jitsi_web_query_prefix);
+    local room = get_room_from_session(session);
 
     if not room then
         module:log('warn', 'No room found found for %s/%s',
diff --git a/resources/prosody-plugins/mod_muc_lobby_rooms.lua b/resources/prosody-plugins/mod_muc_lobby_rooms.lua
index b3535d7ce..8ab5f45bb 100644
--- a/resources/prosody-plugins/mod_muc_lobby_rooms.lua
+++ b/resources/prosody-plugins/mod_muc_lobby_rooms.lua
@@ -42,7 +42,7 @@ local NOTIFY_LOBBY_ACCESS_GRANTED = 'LOBBY-ACCESS-GRANTED';
 local NOTIFY_LOBBY_ACCESS_DENIED = 'LOBBY-ACCESS-DENIED';
 
 local util = module:require "util";
-local get_room_by_name_and_subdomain = util.get_room_by_name_and_subdomain;
+local get_room_from_session = util.get_room_from_session;
 local is_healthcheck_room = util.is_healthcheck_room;
 local presence_check_status = util.presence_check_status;
 
@@ -263,7 +263,7 @@ function process_lobby_muc_loaded(lobby_muc, host_module)
         if node == LOBBY_IDENTITY_TYPE
             and session.jitsi_web_query_room
             and check_display_name_required then
-            local room = get_room_by_name_and_subdomain(session.jitsi_web_query_room, session.jitsi_web_query_prefix);
+            local room = get_room_from_session(session);
 
             if room and room._data.lobbyroom then
                 reply:tag('feature', { var = DISPLAY_NAME_REQUIRED_FEATURE }):up();
diff --git a/resources/prosody-plugins/mod_muc_poltergeist.lua b/resources/prosody-plugins/mod_muc_poltergeist.lua
index b9fa4a694..7c2d9860a 100644
--- a/resources/prosody-plugins/mod_muc_poltergeist.lua
+++ b/resources/prosody-plugins/mod_muc_poltergeist.lua
@@ -1,5 +1,6 @@
 local bare = require "util.jid".bare;
 local get_room_by_name_and_subdomain = module:require "util".get_room_by_name_and_subdomain;
+local get_room_from_session = module:require "util".get_room_from_session;
 local jid = require "util.jid";
 local neturl = require "net.url";
 local parse = neturl.parseQuery;
@@ -92,9 +93,7 @@ end
 prosody.events.add_handler("pre-jitsi-authentication", function(session)
 
     if (session.jitsi_meet_context_user) then
-        local room = get_room_by_name_and_subdomain(
-            session.jitsi_web_query_room,
-            session.jitsi_web_query_prefix);
+        local room = get_room_from_session(session);
 
         if (not room) then
             return nil;
diff --git a/resources/prosody-plugins/util.lib.lua b/resources/prosody-plugins/util.lib.lua
index fb876410a..05c69aff6 100644
--- a/resources/prosody-plugins/util.lib.lua
+++ b/resources/prosody-plugins/util.lib.lua
@@ -1,3 +1,4 @@
+local urlencode = require "util.http".urldecode;
 local jid = require "util.jid";
 local timer = require "util.timer";
 local http = require "net.http";
@@ -112,6 +113,20 @@ function get_room_from_jid(room_jid)
     end
 end
 
+-- Returns the room if available.
+-- @param s the current session.
+-- @return returns room if found or nil
+function get_room_from_session(s)
+    if not s or not s.jitsi_web_query_room then
+        return nil;
+    end
+
+    local room_name = urldecode(s.jitsi_web_query_room);
+    local subdomain = urldecode(s.jitsi_web_query_prefix);
+
+    return get_room_by_name_and_subdomain(room_name, subdomain);
+end
+
 -- Returns the room if available, work and in multidomain mode
 -- @param room_name the name of the room
 -- @param group name of the group (optional)
@@ -362,6 +377,7 @@ return {
     is_feature_allowed = is_feature_allowed;
     is_healthcheck_room = is_healthcheck_room;
     get_room_from_jid = get_room_from_jid;
+    get_room_from_session = get_room_from_session;
     get_room_by_name_and_subdomain = get_room_by_name_and_subdomain;
     async_handler_wrapper = async_handler_wrapper;
     presence_check_status = presence_check_status;