diff --git a/rslib/src/storage/revlog/get.sql b/rslib/src/storage/revlog/get.sql
index 671eb1846..5e3da6d7e 100644
--- a/rslib/src/storage/revlog/get.sql
+++ b/rslib/src/storage/revlog/get.sql
@@ -3,8 +3,8 @@ select
   cid,
   usn,
   ease,
-  ivl,
-  lastIvl,
+  cast(ivl AS integer),
+  cast(lastIvl AS integer),
   factor,
   time,
   type
diff --git a/rslib/src/sync/mod.rs b/rslib/src/sync/mod.rs
index d469b273d..eb647a009 100644
--- a/rslib/src/sync/mod.rs
+++ b/rslib/src/sync/mod.rs
@@ -145,6 +145,7 @@ pub struct CardEntry {
     pub usn: Usn,
     pub ctype: CardType,
     pub queue: CardQueue,
+    #[serde(deserialize_with = "deserialize_int_from_number")]
     pub due: i32,
     #[serde(deserialize_with = "deserialize_int_from_number")]
     pub ivl: u32,
@@ -152,6 +153,7 @@ pub struct CardEntry {
     pub reps: u32,
     pub lapses: u32,
     pub left: u32,
+    #[serde(deserialize_with = "deserialize_int_from_number")]
     pub odue: i32,
     pub odid: DeckID,
     pub flags: u8,