diff --git a/Libraries/LibLine/Editor.cpp b/Libraries/LibLine/Editor.cpp
index 2f7115da94..438bca11a7 100644
--- a/Libraries/LibLine/Editor.cpp
+++ b/Libraries/LibLine/Editor.cpp
@@ -1031,6 +1031,11 @@ size_t Editor::actual_rendered_string_length(const StringView& string) const
                 state = Escape;
                 continue;
             }
+            if (c == '\r' || c == '\n') {
+                // reset length to 0, since we either overwrite, or are on a newline
+                length = 0;
+                continue;
+            }
             // FIXME: This will not support anything sophisticated
             ++length;
             break;
diff --git a/Libraries/LibLine/Editor.h b/Libraries/LibLine/Editor.h
index 90dc5aef79..d911deb5dc 100644
--- a/Libraries/LibLine/Editor.h
+++ b/Libraries/LibLine/Editor.h
@@ -130,6 +130,7 @@ public:
     const Vector<String>& history() const { return m_history; }
 
     void register_character_input_callback(char ch, Function<bool(Editor&)> callback);
+    size_t actual_rendered_string_length(const StringView& string) const;
 
     Function<Vector<CompletionSuggestion>(const String&)> on_tab_complete_first_token;
     Function<Vector<CompletionSuggestion>(const String&)> on_tab_complete_other_token;
@@ -252,8 +253,6 @@ private:
         return (m_drawn_cursor + current_prompt_length()) % m_num_columns;
     }
 
-    size_t actual_rendered_string_length(const StringView& string) const;
-
     void set_origin()
     {
         auto position = vt_dsr();