diff --git a/tcl/board/sheevaplug.cfg b/tcl/board/sheevaplug.cfg
index 620e64362..ff333ca77 100644
--- a/tcl/board/sheevaplug.cfg
+++ b/tcl/board/sheevaplug.cfg
@@ -3,6 +3,8 @@
 source [find interface/ftdi/sheevaplug.cfg]
 source [find target/feroceon.cfg]
 
+adapter_khz 2000
+
 $_TARGETNAME configure \
 	-work-area-phys 0x10000000 \
 	-work-area-size 65536 \