diff --git a/radicale-3.1.8-fix-main-component-PR-1252.patch b/radicale-3.1.8-fix-main-component-PR-1252.patch
new file mode 100644
index 0000000..5016406
--- /dev/null
+++ b/radicale-3.1.8-fix-main-component-PR-1252.patch
@@ -0,0 +1,27 @@
+diff --git a/radicale/item/filter.py b/radicale/item/filter.py
+index 6a89ffa..217f503 100644
+--- a/radicale/item/filter.py
++++ b/radicale/item/filter.py
+@@ -225,6 +225,7 @@ def visit_time_ranges(vobject_item: vobject.base.Component, child_name: str,
+     def get_children(components: Iterable[vobject.base.Component]) -> Iterator[
+                          Tuple[vobject.base.Component, bool, List[date]]]:
+         main = None
++        rec_main = None
+         recurrences = []
+         for comp in components:
+             if hasattr(comp, "recurrence_id") and comp.recurrence_id.value:
+@@ -232,11 +233,14 @@ def visit_time_ranges(vobject_item: vobject.base.Component, child_name: str,
+                 if comp.rruleset:
+                     # Prevent possible infinite loop
+                     raise ValueError("Overwritten recurrence with RRULESET")
++                rec_main = comp
+                 yield comp, True, []
+             else:
+                 if main is not None:
+                     raise ValueError("Multiple main components")
+                 main = comp
++        if main is None and len(recurrences) == 1:
++            main = rec_main
+         if main is None:
+             raise ValueError("Main component missing")
+         yield main, False, recurrences