diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2585ca51c..602df2011 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ All notable changes to this project will be documented in this file.
 ### Fixed
 
 - [crawler] Correctly handle errors and do not commit new changes.
+- [crawler] Change target branch not field not set on ChangeEvent documents.
 
 ## [1.9.0] - 2023-09-16
 
diff --git a/src/Monocle/Backend/Documents.hs b/src/Monocle/Backend/Documents.hs
index 556d27aec..a9c8f2af3 100644
--- a/src/Monocle/Backend/Documents.hs
+++ b/src/Monocle/Backend/Documents.hs
@@ -566,6 +566,7 @@ data EChangeEvent = EChangeEvent
   , echangeeventOnAuthor :: Author
   , echangeeventSelfMerged :: Maybe Bool
   , echangeeventBranch :: LText
+  , echangeeventTargetBranch :: LText
   , -- Set labels as a Maybe type because existing indexes do not have the event docs with labels
     -- TODO: implement a migration procedure in the Janitor and remove the 'Maybe' from this value
     echangeeventLabels :: Maybe [LText]
diff --git a/src/Monocle/Backend/Index.hs b/src/Monocle/Backend/Index.hs
index 10c9cf0b1..1814a3234 100644
--- a/src/Monocle/Backend/Index.hs
+++ b/src/Monocle/Backend/Index.hs
@@ -478,6 +478,7 @@ toEChangeEvent ChangePB.ChangeEvent {..} =
         EChangeMergedEvent -> Just $ onAuthor == author
         _ -> Nothing
     , echangeeventBranch = changeEventBranch
+    , echangeeventTargetBranch = changeEventTargetBranch
     , echangeeventLabels = Just . toList $ changeEventLabels
     , echangeeventCreatedAt = T.toUTCTime $ fromMaybe (error "changeEventCreatedAt field is mandatory") changeEventCreatedAt
     , echangeeventOnCreatedAt = T.toUTCTime $ fromMaybe (error "changeEventOnCreatedAt field is mandatory") changeEventOnCreatedAt
diff --git a/src/Monocle/Backend/Provisioner.hs b/src/Monocle/Backend/Provisioner.hs
index b9d1f720d..f254450da 100644
--- a/src/Monocle/Backend/Provisioner.hs
+++ b/src/Monocle/Backend/Provisioner.hs
@@ -160,6 +160,7 @@ fakeChangeEvent from' to = do
       echangeeventAuthor = Nothing
       echangeeventSelfMerged = Nothing
       echangeeventBranch = ""
+      echangeeventTargetBranch = "main"
       echangeeventApproval = Nothing
       echangeeventTasksData = Nothing
       echangeeventLabels = Just []
diff --git a/src/Monocle/Backend/Test.hs b/src/Monocle/Backend/Test.hs
index 1f79c0344..68b79f91c 100644
--- a/src/Monocle/Backend/Test.hs
+++ b/src/Monocle/Backend/Test.hs
@@ -1313,6 +1313,7 @@ emptyEvent = EChangeEvent {..}
   echangeeventAuthor = Just fakeAuthor
   echangeeventOnAuthor = fakeAuthor
   echangeeventBranch = mempty
+  echangeeventTargetBranch = "main"
   echangeeventSelfMerged = Nothing
   echangeeventCreatedAt = fakeDate
   echangeeventOnCreatedAt = fakeDate