diff --git a/providers/google/src/airflow/providers/google/cloud/sensors/cloud_composer.py b/providers/google/src/airflow/providers/google/cloud/sensors/cloud_composer.py
index d69cce098996c..09aa0e1aa8a9d 100644
--- a/providers/google/src/airflow/providers/google/cloud/sensors/cloud_composer.py
+++ b/providers/google/src/airflow/providers/google/cloud/sensors/cloud_composer.py
@@ -222,7 +222,7 @@ def execute(self, context: Context) -> None:
         if self.deferrable:
             start_date, end_date = self._get_logical_dates(context)
             self.defer(
-                timeout=self.timeout,
+                timeout=timedelta(seconds=self.timeout) if self.timeout else None,
                 trigger=CloudComposerDAGRunTrigger(
                     project_id=self.project_id,
                     region=self.region,