diff --git a/debian/arch/sparc/config.sparc64 b/debian/arch/sparc/config.sparc64
index 364f2db58..ffffaf158 100644
--- a/debian/arch/sparc/config.sparc64
+++ b/debian/arch/sparc/config.sparc64
@@ -33,7 +33,7 @@ CONFIG_NET_TULIP=y
 # CONFIG_IEEE1394_VERBOSEDEBUG is not set
 CONFIG_DISPLAY7SEG=m
 CONFIG_USB_UHCI_HCD=m
-# CONFIG_USB_SERIAL is not set
+CONFIG_USB_SERIAL=m
 # CONFIG_SCSI_IPR_TRACE is not set
 # CONFIG_DE4X5 is not set
 # CONFIG_PARPORT_PC_SUPERIO is not set
diff --git a/debian/changelog b/debian/changelog
index 163b0d018..f9d77a776 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+linux-2.6 (2.6.21-3) UNRELEASED; urgency=low
+
+  * sparc64: enable USB_SERIAL. (closes: #412740)
+
+ -- maximilian attems <maks@debian.org>  Sat, 19 May 2007 00:45:42 +0200
+
 linux-2.6 (2.6.21-2) unstable; urgency=low
 
   [ Christian T. Steigies ]