diff --git a/script_support/constraints/base_design.pdc b/script_support/constraints/base_design.pdc
index 7dfe7585238073f453535cb2a21e8cc23d5db715..ba86a9313a9defc12343609966bb1e7bfc077e1f 100644
--- a/script_support/constraints/base_design.pdc
+++ b/script_support/constraints/base_design.pdc
@@ -35,7 +35,7 @@ set_io -port_name P9_11  \
     -DIRECTION INPUT
 
 set_io -port_name P9_13  \
-    -pin_name C7         \
+    -pin_name D19        \
     -io_std LVCMOS33  \
     -fixed true          \
     -DIRECTION OUTPUT