diff --git a/rich/containers.py b/rich/containers.py
index 4a8c26db..4ef865a2 100644
--- a/rich/containers.py
+++ b/rich/containers.py
@@ -153,11 +153,8 @@ class Lines:
                 ):
                     tokens.append(word)
                     if index < len(spaces):
-                        if next_word is None:
-                            space_style = Style.null()
-                        else:
-                            style = word.get_style_at_offset(console, -1)
-                            next_style = next_word.get_style_at_offset(console, 0)
-                            space_style = style if style == next_style else line.style
+                        style = word.get_style_at_offset(console, -1)
+                        next_style = next_word.get_style_at_offset(console, 0)
+                        space_style = style if style == next_style else line.style
                         tokens.append(Text(" " * spaces[index], style=space_style))
                 self[line_index] = Text("").join(tokens)