diff --git a/collects/make/doc.txt b/collects/make/doc.txt
index 9b7575436e..865f7b5867 100644
--- a/collects/make/doc.txt
+++ b/collects/make/doc.txt
@@ -215,7 +215,7 @@ inspecting "/usr/lib". More generally, the "last chance" argument to
                windows-libs
 	       extra-depends
                last-chance-k
-               [3m-too? #t])
+               [3m-too? #f])
 
 The arguments are as follows:
 
diff --git a/collects/make/setup-extension.ss b/collects/make/setup-extension.ss
index 63cbbf9aa4..e7f2c72aee 100644
--- a/collects/make/setup-extension.ss
+++ b/collects/make/setup-extension.ss
@@ -43,7 +43,7 @@
 		 windows-libs
 		 extra-depends
 		 last-chance-k
-		 3m-too?)
+		 [3m-too? #f])
       ;; Compile and link one file:
       (define (go file.c xform-src.c)
 	(pre-install/check-precompiled plthome