diff --git a/tcl/interface/usbprog.cfg b/tcl/interface/usbprog.cfg
index 269ea944c501b735bef4324c17a619a0877e3039..f0841b995c41a917e3cafa3e7378e0cf87c1172f 100644
--- a/tcl/interface/usbprog.cfg
+++ b/tcl/interface/usbprog.cfg
@@ -5,4 +5,6 @@
 #
 
 interface usbprog
-
+# USBprog is broken w/short tms sequences, this is a workaround
+# until the C code can be fixed.
+tms_sequence long
\ No newline at end of file