diff --git a/collects/stxclass/private/rep-data.ss b/collects/stxclass/private/rep-data.ss
index 73ebb8a08c..782ad61126 100644
--- a/collects/stxclass/private/rep-data.ss
+++ b/collects/stxclass/private/rep-data.ss
@@ -1,8 +1,9 @@
 
-#lang scheme
+#lang scheme/base
 (require (for-template "kws.ss")
          (for-template scheme/base)
          scheme/contract
+         scheme/match
          syntax/boundmap
          syntax/stx
          "../util.ss")
diff --git a/collects/stxclass/private/rep.ss b/collects/stxclass/private/rep.ss
index 62fc25040e..0f76109b18 100644
--- a/collects/stxclass/private/rep.ss
+++ b/collects/stxclass/private/rep.ss
@@ -1,7 +1,8 @@
-#lang scheme
+#lang scheme/base
 (require (for-template "kws.ss")
          (for-template scheme/base)
          scheme/contract
+         scheme/match
          syntax/boundmap
          syntax/stx
          "../util.ss"