diff --git a/fpga/arty_a7.xdc b/fpga/arty_a7.xdc
index 65832c7..34c27c9 100644
--- a/fpga/arty_a7.xdc
+++ b/fpga/arty_a7.xdc
@@ -39,7 +39,7 @@ set_property -dict { PACKAGE_PIN M14 IOSTANDARD LVCMOS33 } [get_ports { spi_flas
 
 # Put registers into IOBs to improve timing
 set_property IOB true [get_cells -hierarchical -filter {NAME =~*/spi_rxtx/*sck_1*}]
-set_property IOB true [get_cells -hierarchical -filter {NAME =~*/spi_rxtx/dat_i_l*}]
+set_property IOB true [get_cells -hierarchical -filter {NAME =~*/spi_rxtx/input_delay_1.dat_i_l*}]
 
 
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