diff --git a/rslib/src/storage/revlog/get.sql b/rslib/src/storage/revlog/get.sql
index 647ea5f55..5460e71f0 100644
--- a/rslib/src/storage/revlog/get.sql
+++ b/rslib/src/storage/revlog/get.sql
@@ -2,8 +2,8 @@ SELECT id,
   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 8a533d94c..48baa82f0 100644
--- a/rslib/src/sync/mod.rs
+++ b/rslib/src/sync/mod.rs
@@ -147,6 +147,7 @@ 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,
@@ -154,6 +155,7 @@ 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,