diff --git a/src/jtag/jtag.c b/src/jtag/jtag.c
index 981f47e12..e8680b23b 100644
--- a/src/jtag/jtag.c
+++ b/src/jtag/jtag.c
@@ -1399,7 +1399,7 @@ int jtag_check_value(u8 *captured, void *priv, scan_field_t *field)
   set up checking of this field using the in_handler. The values passed in must be valid until
   after jtag_execute() has completed.
  */
-void jtag_set_check_value(scan_field_t *field, u8 *value, u8 *mask, error_handler_t *in_error_handler)
+void jtag_set_check_value(scan_field_t *field, u8 *value, u8 *mask, struct invalidstruct *obsolete)
 {
 	if (value)
 		field->in_handler = jtag_check_value;
diff --git a/src/jtag/jtag.h b/src/jtag/jtag.h
index ce11d592d..f2c887f87 100644
--- a/src/jtag/jtag.h
+++ b/src/jtag/jtag.h
@@ -729,7 +729,12 @@ extern int            jtag_power_dropout(int* dropout);
 extern int            jtag_srst_asserted(int* srst_asserted);
 
 /* JTAG support functions */
-extern void           jtag_set_check_value(scan_field_t* field, u8* value, u8* mask, error_handler_t* in_error_handler);
+struct invalidstruct
+{
+	
+};
+
+extern void           jtag_set_check_value(scan_field_t* field, u8* value, u8* mask, struct invalidstruct *obsolete);
 extern enum scan_type jtag_scan_type(scan_command_t* cmd);
 extern int            jtag_scan_size(scan_command_t* cmd);
 extern int            jtag_read_buffer(u8* buffer, scan_command_t* cmd);