diff --git a/resspublica/bernAsianHornet.py b/resspublica/bernAsianHornet.py
index 206b2a4..4abb7e3 100644
--- a/resspublica/bernAsianHornet.py
+++ b/resspublica/bernAsianHornet.py
@@ -138,7 +138,7 @@ def generateBernAsianHornetFeed(ASSETS, CACHE):
     for start, end in weeklyRangesFrom(arbitraryStartDate): # arbitrary start date
         weeklyEntry = {}
 
-        weeklyEntry["id"] = datetime.combine(start, time(12, 0)).timestamp() # we use epoch time as the id
+        weeklyEntry["id"] = f"asian-hornets-bern-{start.isoformat()}-{end.isoformat()}" # we use epoch time as the id EDIT: NO THIS BROKE MULTIPLE TIMES MAKING SOME ID CHANGES. WE CHANGE THAT
         weeklyEntry["creationDate"] = end.isoformat()
         weeklyEntry["date"] = end.isoformat() # there is no point of updating it later, as (I think) data isn't retroactively put
         weeklyEntry["source"] = "opendata.swiss"
diff --git a/resspublica/bernReligionMap.py b/resspublica/bernReligionMap.py
index 012d207..a873e1f 100644
--- a/resspublica/bernReligionMap.py
+++ b/resspublica/bernReligionMap.py
@@ -271,7 +271,7 @@ def generateBernReligionMap(ASSETS, CACHE):
     }
     for start, end in trimesterRangesFrom(arbitraryStartDate):
         trimestrialEntry = {}
-        trimestrialEntry["id"] = datetime.combine(start, time(12, 0)).timestamp() # we use timestamp as ids
+        trimestrialEntry["id"] = f"religion-map-bern-{start.isoformat()}-{end.isoformat()}" # timestamps from epoch are unreliable
         trimestrialEntry["creationDate"] = start.isoformat()
         trimestrialEntry["date"] = start.isoformat() # there is no point have them different. On other feeds it's used for update date
         trimestrialEntry["source"] = "opendata.swiss"