diff --git a/shiftregister/importer/importer.py b/shiftregister/importer/importer.py
index 7496c80..f006417 100644
--- a/shiftregister/importer/importer.py
+++ b/shiftregister/importer/importer.py
@@ -41,7 +41,7 @@ def import_calendar(calendar):
                     required_helpers = 0
             else:
                 try:
-                    room, required_helpers = tuple(summary.split())
+                    room, required_helpers = tuple(summary.rsplit(maxsplit=1))
                     required_helpers = int(required_helpers)
                 except ValueError:
                     room = summary