diff --git a/openfpga_flow/vpr_arch/k4_N4_tileable_IoSubtile_40nm.xml b/openfpga_flow/vpr_arch/k4_N4_tileable_IoSubtile_40nm.xml
index 4dbf87b12..857064fcd 100644
--- a/openfpga_flow/vpr_arch/k4_N4_tileable_IoSubtile_40nm.xml
+++ b/openfpga_flow/vpr_arch/k4_N4_tileable_IoSubtile_40nm.xml
@@ -82,7 +82,7 @@
       <!--Fill with 'clb'-->
       <fill type="clb" priority="10"/>
     </auto_layout>
-    <fixed_layout name="2x2" width="10" height="10">
+    <fixed_layout name="2x2" width="4" height="4">
       <!--Perimeter of 'io' blocks with 'EMPTY' blocks at corners-->
       <perimeter type="hybrid_io_tile" priority="100"/>
       <corners type="EMPTY" priority="101"/>