diff --git a/doc/constraints/ulx3s_v17patch.lpf b/doc/constraints/ulx3s_v17patch.lpf
index b73c27f..ee2f591 100644
--- a/doc/constraints/ulx3s_v17patch.lpf
+++ b/doc/constraints/ulx3s_v17patch.lpf
@@ -180,6 +180,7 @@ IOBUF  PORT "wifi_en" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4;
 IOBUF  PORT "wifi_rxd" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4;
 IOBUF  PORT "wifi_txd" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4;
 IOBUF  PORT "wifi_gpio0" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4;
+IOBUF  PORT "wifi_gpio5" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4;
 IOBUF  PORT "wifi_gpio16" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4;
 IOBUF  PORT "wifi_gpio17" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4;
 # IOBUF  PORT "prog_done" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4;