diff --git a/openfpga/src/fabric/build_top_module.cpp b/openfpga/src/fabric/build_top_module.cpp
index 7af79d46c..707ff8971 100644
--- a/openfpga/src/fabric/build_top_module.cpp
+++ b/openfpga/src/fabric/build_top_module.cpp
@@ -172,8 +172,8 @@ vtr::Matrix<size_t> add_top_module_grid_instances(ModuleManager& module_manager,
        */
       for (int z = 0; z < grids[io_coordinate.x()][io_coordinate.y()].type->capacity; ++z) {
         io_location_map.set_io_index(io_coordinate.x(), io_coordinate.y(), z, io_counter);
+        io_counter++;
       }
-      io_counter++;
     }
   }
 
diff --git a/openfpga/test_openfpga_arch/k6_frac_N10_40nm_openfpga.xml b/openfpga/test_openfpga_arch/k6_frac_N10_40nm_openfpga.xml
index d02d62d88..9644530da 100644
--- a/openfpga/test_openfpga_arch/k6_frac_N10_40nm_openfpga.xml
+++ b/openfpga/test_openfpga_arch/k6_frac_N10_40nm_openfpga.xml
@@ -232,7 +232,8 @@
 </openfpga_architecture>
 <openfpga_simulation_setting>
   <clock_setting>
-    <operating frequency="auto" num_cycles="auto" slack="0.2"/>
+    <!--operating frequency="auto" num_cycles="auto" slack="0.2"/-->
+    <operating frequency="200e6" num_cycles="auto" slack="0.2"/>
     <programming frequency="10e6"/>
   </clock_setting>
   <simulator_option>