diff --git a/openfpga_flow/vpr_arch/k4_N4_tileableL_40nm.xml b/openfpga_flow/vpr_arch/k4_N4_tileableL_40nm.xml
index c3f54c448..cfcf662eb 100644
--- a/openfpga_flow/vpr_arch/k4_N4_tileableL_40nm.xml
+++ b/openfpga_flow/vpr_arch/k4_N4_tileableL_40nm.xml
@@ -116,7 +116,7 @@
     </fixed_layout>
     <fixed_layout name="4x4L_io_boundary" width="6" height="6">
       <region type="EMPTY" startx="0" starty="2" endx="2" endy="5" priority="101"/>
-      <region type="io_top" startx="1" starty="2" endx="2" endy="2" priority="102"/>
+      <region type="io_topL" startx="1" starty="2" endx="2" endy="2" priority="102"/>
       <!--Perimeter of 'io' blocks with 'EMPTY' blocks at corners-->
       <perimeter type="io" priority="100"/>
       <corners type="EMPTY" priority="101"/>