diff --git a/CMD_FLAGS.txt b/CMD_FLAGS.txt
index 47fe8405..e69de29b 100644
--- a/CMD_FLAGS.txt
+++ b/CMD_FLAGS.txt
@@ -1 +0,0 @@
---listen
diff --git a/start_linux.sh b/start_linux.sh
index 1de8ccdf..6792902a 100755
--- a/start_linux.sh
+++ b/start_linux.sh
@@ -64,4 +64,4 @@ source "$CONDA_ROOT_PREFIX/etc/profile.d/conda.sh" # otherwise conda complains a
 conda activate "$INSTALL_ENV_DIR"
 
 # setup installer env
-python webui.py
+python webui.py $@
diff --git a/start_macos.sh b/start_macos.sh
index 131a8af5..5f5bb439 100755
--- a/start_macos.sh
+++ b/start_macos.sh
@@ -64,4 +64,4 @@ source "$CONDA_ROOT_PREFIX/etc/profile.d/conda.sh" # otherwise conda complains a
 conda activate "$INSTALL_ENV_DIR"
 
 # setup installer env
-python webui.py
+python webui.py $@
diff --git a/start_windows.bat b/start_windows.bat
index 3140f70f..77ba93bf 100755
--- a/start_windows.bat
+++ b/start_windows.bat
@@ -67,7 +67,7 @@ set "CUDA_HOME=%CUDA_PATH%"
 call "%CONDA_ROOT_PREFIX%\condabin\conda.bat" activate "%INSTALL_ENV_DIR%" || ( echo. && echo Miniconda hook not found. && goto end )
 
 @rem setup installer env
-call python webui.py
+call python webui.py %*
 
 @rem below are functions for the script   next line skips these during normal execution
 goto end
diff --git a/start_wsl.bat b/start_wsl.bat
index 41fa572f..26d2f8a6 100755
--- a/start_wsl.bat
+++ b/start_wsl.bat
@@ -5,7 +5,7 @@ cd /D "%~dp0"
 set PATH=%PATH%;%SystemRoot%\system32
 
 @rem sed -i 's/\x0D$//' ./wsl.sh converts newlines to unix format in the wsl script
-call wsl -e bash -lic "sed -i 's/\x0D$//' ./wsl.sh; source ./wsl.sh"
+call wsl -e bash -lic "sed -i 's/\x0D$//' ./wsl.sh; source ./wsl.sh $@"
 
 :end
 pause
diff --git a/webui.py b/webui.py
index 4225cd7e..9d2fbaf1 100644
--- a/webui.py
+++ b/webui.py
@@ -245,7 +245,8 @@ def download_model():
 
 
 def launch_webui():
-    run_cmd(f"python server.py {CMD_FLAGS}", environment=True)
+    flags = [flag for flag in sys.argv[1:] if flag != '--update']
+    run_cmd(f"python server.py {' '.join(flags)} {CMD_FLAGS}", environment=True)
 
 
 if __name__ == "__main__":
@@ -254,7 +255,7 @@ if __name__ == "__main__":
 
     parser = argparse.ArgumentParser()
     parser.add_argument('--update', action='store_true', help='Update the web UI.')
-    args = parser.parse_args()
+    args, _ = parser.parse_known_args()
 
     if args.update:
         update_dependencies()
diff --git a/wsl.sh b/wsl.sh
index 6660bc2e..6b62adca 100755
--- a/wsl.sh
+++ b/wsl.sh
@@ -106,5 +106,5 @@ fi
 # setup installer env   update env if called with 'wsl.sh update'
 case "$1" in
 ("update") python webui.py --update;;
-(*) python webui.py;;
+(*) python webui.py $@;;
 esac