diff --git a/fpga/generator/wally.tcl b/fpga/generator/wally.tcl
index 465d0c73a..b2e1e359e 100644
--- a/fpga/generator/wally.tcl
+++ b/fpga/generator/wally.tcl
@@ -92,8 +92,7 @@ if {$board=="ArtyA7"} {
     #source ../constraints/small-debug.xdc
     source ../constraints/small-debug-rvvi.xdc
 } else {
-    # source ../constraints/vcu-small-debug.xdc
-    source ../constraints/debug6.xdc
+    source ../constraints/vcu-small-debug.xdc
 }