diff --git a/src/command/commands.c b/src/command/commands.c
index dc0c0137..0d658576 100644
--- a/src/command/commands.c
+++ b/src/command/commands.c
@@ -3173,7 +3173,7 @@ cmd_occupants(ProfWin *window, const char *const command, gchar **args)
             mucwin->showjid = TRUE;
             mucwin_update_occupants(mucwin);
         } else {
-            mucwin_show_occupants(mucwin->roomjid);
+            mucwin_show_occupants(mucwin);
         }
     } else if (g_strcmp0(args[0], "hide") == 0) {
         if (g_strcmp0(args[1], "jid") == 0) {
diff --git a/src/ui/core.c b/src/ui/core.c
index b6cc5b3c..b00a703d 100644
--- a/src/ui/core.c
+++ b/src/ui/core.c
@@ -668,7 +668,7 @@ ui_show_all_room_rosters(void)
         if (window->type == WIN_MUC && !win_has_active_subwin(window)) {
             ProfMucWin *mucwin = (ProfMucWin*)window;
             assert(mucwin->memcheck == PROFMUCWIN_MEMCHECK);
-            mucwin_show_occupants(mucwin->roomjid);
+            mucwin_show_occupants(mucwin);
         }
         curr = g_list_next(curr);
     }
diff --git a/src/ui/mucwin.c b/src/ui/mucwin.c
index 777ee461..6406b291 100644
--- a/src/ui/mucwin.c
+++ b/src/ui/mucwin.c
@@ -761,12 +761,14 @@ mucwin_update_occupants(ProfMucWin *mucwin)
 }
 
 void
-mucwin_show_occupants(const char *const roomjid)
+mucwin_show_occupants(ProfMucWin *mucwin)
 {
-    ProfWin *window = (ProfWin*)wins_get_muc(roomjid);
-    if (window && !win_has_active_subwin(window)) {
+    assert(mucwin != NULL);
+
+    ProfWin *window = (ProfWin*)mucwin;
+    if (!win_has_active_subwin(window)) {
         wins_show_subwin(window);
-        occupantswin_occupants(roomjid);
+        occupantswin_occupants(mucwin->roomjid);
     }
 }
 
diff --git a/src/ui/ui.h b/src/ui/ui.h
index 469765ad..a08208b3 100644
--- a/src/ui/ui.h
+++ b/src/ui/ui.h
@@ -195,7 +195,7 @@ void mucwin_nick_change(ProfMucWin *mucwin, const char *const nick);
 void mucwin_occupant_presence(ProfMucWin *mucwin, const char *const nick, const char *const show,
     const char *const status);
 void mucwin_update_occupants(ProfMucWin *mucwin);
-void mucwin_show_occupants(const char *const roomjid);
+void mucwin_show_occupants(ProfMucWin *mucwin);
 void mucwin_hide_occupants(const char *const roomjid);
 void mucwin_affiliation_list_error(ProfMucWin *mucwin, const char *const affiliation, const char *const error);
 void mucwin_handle_affiliation_list(ProfMucWin *mucwin, const char *const affiliation, GSList *jids);
diff --git a/tests/unittests/ui/stub_ui.c b/tests/unittests/ui/stub_ui.c
index c5c75c51..308f8a7e 100644
--- a/tests/unittests/ui/stub_ui.c
+++ b/tests/unittests/ui/stub_ui.c
@@ -232,7 +232,7 @@ void mucwin_nick_change(ProfMucWin *mucwin, const char * const nick) {}
 void mucwin_occupant_presence(ProfMucWin *mucwin, const char * const nick, const char * const show,
     const char * const status) {}
 void mucwin_update_occupants(ProfMucWin *mucwin) {}
-void mucwin_show_occupants(const char * const roomjid) {}
+void mucwin_show_occupants(ProfMucWin *mucwin) {}
 void mucwin_hide_occupants(const char * const roomjid) {}
 void ui_show_roster(void) {}
 void ui_hide_roster(void) {}