diff --git a/collects/net/cgi.ss b/collects/net/cgi.ss
index 2efd4f7e26..b78df3cee5 100644
--- a/collects/net/cgi.ss
+++ b/collects/net/cgi.ss
@@ -1,6 +1,6 @@
-(reference-library "macro.ss")
-(reference-library "mail.ss" "net")
+(require-library "macro.ss")
+(require-library "mail.ss" "net")
 
-(reference-library "cgiu.ss" "net")
+(require-library "cgiu.ss" "net")
 
 (invoke-open-unit/sig mzlib:cgi@ #f mzlib:sendmail^)
diff --git a/collects/net/nntp.ss b/collects/net/nntp.ss
index 3da5ffb894..5e6ae32947 100644
--- a/collects/net/nntp.ss
+++ b/collects/net/nntp.ss
@@ -1,3 +1,3 @@
-(reference-library "nntpu.ss" "net")
+(require-library "nntpu.ss" "net")
 
 (invoke-open-unit/sig mzlib:nntp@ nntp)
diff --git a/collects/net/pop3.ss b/collects/net/pop3.ss
index ccb662b76d..a6c21c81c5 100644
--- a/collects/net/pop3.ss
+++ b/collects/net/pop3.ss
@@ -1,10 +1,10 @@
-(reference-library "pop3u.ss" "net")
+(require-library "pop3u.ss" "net")
 
 (invoke-open-unit/sig mzlib:pop3@ pop3)
 
 #|
 
-> (reference-library "pop3.ss" "net")
+> (require-library "pop3.ss" "net")
 > (define c (pop3:connect-to-server "cs.rice.edu"))
 > (pop3:authenticate/plain-text "scheme" "********" c)
 > (pop3:get-mailbox-status c)