diff --git a/collects/scribble/doc/lang/reader.ss b/collects/scribble/doc/lang/reader.ss
index f00fec4966..8d082a9be4 100644
--- a/collects/scribble/doc/lang/reader.ss
+++ b/collects/scribble/doc/lang/reader.ss
@@ -8,4 +8,6 @@
     (case key
       [(color-lexer)
        (dynamic-require 'syntax-color/scribble-lexer 'scribble-inside-lexer)]
+      [(drscheme:toolbar-buttons)
+       (dynamic-require 'scribble/tools/drscheme-buttons 'drscheme-buttons)]
       [else defval])))
diff --git a/collects/scribble/manual/lang/reader.ss b/collects/scribble/manual/lang/reader.ss
index 4421f4cb7c..4a8dc4b521 100644
--- a/collects/scribble/manual/lang/reader.ss
+++ b/collects/scribble/manual/lang/reader.ss
@@ -10,6 +10,8 @@ scribble/manual/lang
          (case key
            [(color-lexer)
             (dynamic-require 'syntax-color/scribble-lexer 'scribble-inside-lexer)]
+           [(drscheme:toolbar-buttons)
+            (dynamic-require 'scribble/tools/drscheme-buttons 'drscheme-buttons)]
            [else (default key defval)]))
 
 (require (prefix-in scribble: "../../reader.ss"))