diff --git a/openfpga_flow/tasks/basic_tests/fabric_key/load_external_key_qlbanksr_multi_chain_fpga/config/task.conf b/openfpga_flow/tasks/basic_tests/fabric_key/load_external_key_qlbanksr_multi_chain_fpga/config/task.conf
index 0990a0fd0..651f0accf 100644
--- a/openfpga_flow/tasks/basic_tests/fabric_key/load_external_key_qlbanksr_multi_chain_fpga/config/task.conf
+++ b/openfpga_flow/tasks/basic_tests/fabric_key/load_external_key_qlbanksr_multi_chain_fpga/config/task.conf
@@ -20,7 +20,7 @@ openfpga_shell_template=${PATH:OPENFPGA_PATH}/openfpga_flow/openfpga_shell_scrip
 openfpga_arch_file=${PATH:OPENFPGA_PATH}/openfpga_flow/openfpga_arch/k4_N4_40nm_qlbanksr_multi_chain_openfpga.xml
 openfpga_sim_setting_file=${PATH:OPENFPGA_PATH}/openfpga_flow/openfpga_simulation_settings/auto_shift_register_sim_openfpga.xml
 external_fabric_key_file=${PATH:OPENFPGA_PATH}/openfpga_flow/fabric_keys/k4_N4_1x1_qlbanksr_multi_chain_sample_key.xml
-openfpga_vpr_device_layout=
+openfpga_vpr_device_layout=auto
 
 [ARCHITECTURES]
 arch0=${PATH:OPENFPGA_PATH}/openfpga_flow/vpr_arch/k4_N4_tileable_40nm.xml