diff --git a/source/blender/editors/space_text/text_ops.cc b/source/blender/editors/space_text/text_ops.cc
index d2ae7b557f0..0a184a723f9 100644
--- a/source/blender/editors/space_text/text_ops.cc
+++ b/source/blender/editors/space_text/text_ops.cc
@@ -3603,7 +3603,8 @@ static int text_insert_invoke(bContext *C, wmOperator *op, const wmEvent *event)
     if (U.text_flag & USER_TEXT_EDIT_AUTO_CLOSE) {
       auto_close_char = BLI_str_utf8_as_unicode(str);
 
-      if (txt_has_sel(st->text) && text_closing_character_pair_get(auto_close_char) != 0 &&
+      if (txt_has_sel(st->text) && isascii(auto_close_char) &&
+          text_closing_character_pair_get(auto_close_char) != 0 &&
           !text_span_is_blank(st->text->sell, st->text->selc, st->text->curl, st->text->curc))
       {
         auto_close_select.sell = st->text->sell;
@@ -3635,7 +3636,7 @@ static int text_insert_invoke(bContext *C, wmOperator *op, const wmEvent *event)
 
   ret = text_insert_exec(C, op);
 
-  if ((ret == OPERATOR_FINISHED) && (auto_close_char != 0)) {
+  if ((ret == OPERATOR_FINISHED) && (auto_close_char != 0) && isascii(auto_close_char)) {
     const uint auto_close_match = text_closing_character_pair_get(auto_close_char);
     if (auto_close_match != 0) {
       /* If there was a selection, move cursor to the end of it. */