1 files changed, 1 insertions, 1 deletions

diff --git a/src/ui/chat_open_dialog.c b/src/ui/chat_open_dialog.c
index 4ebe8be..180d7be 100644
--- a/src/ui/chat_open_dialog.c
+++ b/src/ui/chat_open_dialog.c
@@ -83,7 +83,7 @@ chat_open_dialog_event(UI_CHAT_OPEN_DIALOG_Handle *open_dialog,
     }
     default:
     {
-      if (!isalnum(key))
+      if (!isprint(key))
       break;
 
       for (int i = open_dialog->topic_len - 1; i >= open_dialog->topic_pos; i--)