diff --git a/src/tempus/Tempus.py b/src/tempus/Tempus.py
index b0cf77ade9ac90280bf242ec4804ff0c7937d7b1..65671acc7c8bbf37e90eec20ea20dc459c6451c9 100644
--- a/src/tempus/Tempus.py
+++ b/src/tempus/Tempus.py
@@ -284,7 +284,7 @@ class Tempus(Device):
         for i in range(self.nAcquisitions.value):
             self.status = f"Acquisition #{i}"
             await self.send_command(
-                "mytpx4.slowtakeevents(extratime=100000, "
+                "events = mytpx4.slowtakeevents(extratime=100000, "
                 f"pad={self.externalSync})", sleep_time=sleep_time_s)
             if not self.do_acquire:
                 break