diff --git a/stingray/events.py b/stingray/events.py
index e94dae625..89bf76081 100644
--- a/stingray/events.py
+++ b/stingray/events.py
@@ -290,9 +290,9 @@ def from_lc(lc):
         """
 
         # Multiply times by number of counts
-        times = [[i] * int(j) for i, j in zip(lc.time, lc.counts)]
+        times = ([i] * int(j) for i, j in zip(lc.time, lc.counts))
         # Concatenate all lists
-        times = [i for j in times for i in j]
+        times = list(i for j in times for i in j)
 
         return EventList(time=times, gti=lc.gti)