diff --git a/scene/gui/rich_text_label.cpp b/scene/gui/rich_text_label.cpp
index 552458245c7..0c3c90d070f 100644
--- a/scene/gui/rich_text_label.cpp
+++ b/scene/gui/rich_text_label.cpp
@@ -333,6 +333,8 @@ void RichTextLabel::_update_line_font(ItemFrame *p_frame, int p_line, const Ref<
 				font_size = font_size_it->font_size;
 			}
 			TS->shaped_set_span_update_font(t, i, font->get_rids(), font_size, font->get_opentype_features());
+		} else {
+			TS->shaped_set_span_update_font(t, i, p_base_font->get_rids(), p_base_font_size, p_base_font->get_opentype_features());
 		}
 	}