diff --git a/get-poetry.py b/get-poetry.py
index 16e4bdcddfd..a8afd0d94ba 100644
--- a/get-poetry.py
+++ b/get-poetry.py
@@ -352,7 +352,7 @@ def run(self):
         version, current_version = self.get_version()
 
         if version is None:
-            return 0
+            return 1
 
         self.customize_install()
         self.display_pre_message()