1 files changed, 1 insertions, 0 deletions
diff --git a/src/ui/window.c b/src/ui/window.c
index 64b04365..12b6c15b 100644
--- a/src/ui/window.c
+++ b/src/ui/window.c
@@ -198,6 +198,7 @@ win_create_muc(const char *const roomjid)
     new_win->enctext = NULL;
     new_win->message_char = NULL;
     new_win->is_omemo = FALSE;
+    new_win->sent_messages = g_hash_table_new_full(g_str_hash, g_str_equal, free, NULL);
 
     new_win->memcheck = PROFMUCWIN_MEMCHECK;