diff --git a/python_apps/pypo/liquidsoap/__main__.py b/python_apps/pypo/liquidsoap/__main__.py
index 2155bcffa..1377af109 100644
--- a/python_apps/pypo/liquidsoap/__main__.py
+++ b/python_apps/pypo/liquidsoap/__main__.py
@@ -24,7 +24,7 @@ def run():
     generate_liquidsoap_cfg.run()
     ''' check liquidsoap version if less than 1.3 use legacy liquidsoap script '''
     liquidsoap_version = subprocess.check_output("liquidsoap --version", shell=True, universal_newlines=True)
-    if pure.version_cmp(liquidsoap_version, "1.3") < 0:
+    if "1.1.1" not in liquidsoap_version:
         script_path = os.path.join(os.path.dirname(__file__), 'ls_script.liq')
     else:
         script_path = os.path.join(os.path.dirname(__file__), 'ls_script_legacy.liq')