diff --git a/openfpga_flow/openfpga_arch/k6_frac_N10_adder_chain_dpram8K_dsp36_40nm_openfpga.xml b/openfpga_flow/openfpga_arch/k6_frac_N10_adder_chain_dpram8K_dsp36_40nm_openfpga.xml
index ed8f0134c..9bf8c440c 100644
--- a/openfpga_flow/openfpga_arch/k6_frac_N10_adder_chain_dpram8K_dsp36_40nm_openfpga.xml
+++ b/openfpga_flow/openfpga_arch/k6_frac_N10_adder_chain_dpram8K_dsp36_40nm_openfpga.xml
@@ -210,8 +210,8 @@
       <design_technology type="cmos"/>
       <input_buffer exist="true" circuit_model_name="INVTX1"/>
       <output_buffer exist="true" circuit_model_name="INVTX1"/>
-      <port type="input" prefix="A" lib_name="A" size="36"/>
-      <port type="input" prefix="B" lib_name="B" size="36"/>
+      <port type="input" prefix="A" lib_name="a" size="36"/>
+      <port type="input" prefix="B" lib_name="b" size="36"/>
       <port type="output" prefix="Y" lib_name="out" size="72"/>
       <!-- As a fracturable multiplier, it requires 2 configuration bits to operate in 4 different modes -->
       <port type="sram" prefix="mode" size="2" mode_select="true" circuit_model_name="DFFR" default_val="1"/>
diff --git a/openfpga_flow/openfpga_arch/k6_frac_N10_adder_chain_dpram8K_dsp36_fracff_40nm_openfpga.xml b/openfpga_flow/openfpga_arch/k6_frac_N10_adder_chain_dpram8K_dsp36_fracff_40nm_openfpga.xml
index d1cf24921..9b23d0a9c 100644
--- a/openfpga_flow/openfpga_arch/k6_frac_N10_adder_chain_dpram8K_dsp36_fracff_40nm_openfpga.xml
+++ b/openfpga_flow/openfpga_arch/k6_frac_N10_adder_chain_dpram8K_dsp36_fracff_40nm_openfpga.xml
@@ -211,8 +211,8 @@
       <design_technology type="cmos"/>
       <input_buffer exist="true" circuit_model_name="INVTX1"/>
       <output_buffer exist="true" circuit_model_name="INVTX1"/>
-      <port type="input" prefix="A" lib_name="A" size="36"/>
-      <port type="input" prefix="B" lib_name="B" size="36"/>
+      <port type="input" prefix="A" lib_name="a" size="36"/>
+      <port type="input" prefix="B" lib_name="b" size="36"/>
       <port type="output" prefix="Y" lib_name="out" size="72"/>
       <!-- As a fracturable multiplier, it requires 2 configuration bits to operate in 4 different modes -->
       <port type="sram" prefix="mode" size="2" mode_select="true" circuit_model_name="DFFR" default_val="1"/>
diff --git a/openfpga_flow/openfpga_arch/k6_frac_N10_adder_chain_frac_mem32K_frac_dsp36_40nm_GlobalTile8Clk_openfpga.xml b/openfpga_flow/openfpga_arch/k6_frac_N10_adder_chain_frac_mem32K_frac_dsp36_40nm_GlobalTile8Clk_openfpga.xml
index 9a7a27aa9..6e49dead4 100644
--- a/openfpga_flow/openfpga_arch/k6_frac_N10_adder_chain_frac_mem32K_frac_dsp36_40nm_GlobalTile8Clk_openfpga.xml
+++ b/openfpga_flow/openfpga_arch/k6_frac_N10_adder_chain_frac_mem32K_frac_dsp36_40nm_GlobalTile8Clk_openfpga.xml
@@ -198,9 +198,9 @@
       <design_technology type="cmos"/>
       <input_buffer exist="true" circuit_model_name="INVTX1"/>
       <output_buffer exist="true" circuit_model_name="INVTX1"/>
-      <port type="input" prefix="a" lib_name="A" size="36"/>
-      <port type="input" prefix="b" lib_name="B" size="36"/>
-      <port type="output" prefix="out" size="72"/>
+      <port type="input" prefix="a" lib_name="a" size="36"/>
+      <port type="input" prefix="b" lib_name="b" size="36"/>
+      <port type="output" prefix="out" lib_name="out" size="72"/>
       <!-- As a fracturable multiplier, it requires 2 configuration bits to operate in 4 different modes -->
       <port type="sram" prefix="mode" size="2" mode_select="true" circuit_model_name="DFFR" default_val="1"/>
     </circuit_model>
diff --git a/openfpga_flow/openfpga_arch/k6_frac_N10_adder_chain_frac_mem32K_frac_dsp36_40nm_openfpga.xml b/openfpga_flow/openfpga_arch/k6_frac_N10_adder_chain_frac_mem32K_frac_dsp36_40nm_openfpga.xml
index f7a8742b9..207e198d3 100644
--- a/openfpga_flow/openfpga_arch/k6_frac_N10_adder_chain_frac_mem32K_frac_dsp36_40nm_openfpga.xml
+++ b/openfpga_flow/openfpga_arch/k6_frac_N10_adder_chain_frac_mem32K_frac_dsp36_40nm_openfpga.xml
@@ -198,9 +198,9 @@
       <design_technology type="cmos"/>
       <input_buffer exist="true" circuit_model_name="INVTX1"/>
       <output_buffer exist="true" circuit_model_name="INVTX1"/>
-      <port type="input" prefix="a" lib_name="A" size="36"/>
-      <port type="input" prefix="b" lib_name="B" size="36"/>
-      <port type="output" prefix="out" size="72"/>
+      <port type="input" prefix="a" lib_name="a" size="36"/>
+      <port type="input" prefix="b" lib_name="b" size="36"/>
+      <port type="output" prefix="out" lib_name="out" size="72"/>
       <!-- As a fracturable multiplier, it requires 2 configuration bits to operate in 4 different modes -->
       <port type="sram" prefix="mode" size="2" mode_select="true" circuit_model_name="DFFR" default_val="1"/>
     </circuit_model>