diff --git a/homeassistant/data_entry_flow.py b/homeassistant/data_entry_flow.py
index 6d41e7a68c0..a7b63d090f3 100644
--- a/homeassistant/data_entry_flow.py
+++ b/homeassistant/data_entry_flow.py
@@ -932,7 +932,7 @@ class section:
 
     def __call__(self, value: Any) -> Any:
         """Validate input."""
-        if not self.options["multiple"]:
+        if not self.options.get("multiple"):
             return self.schema(value)
         if not isinstance(value, list):
             raise vol.Invalid("Value should be a list")