diff --git a/rslib/src/import_export/gather.rs b/rslib/src/import_export/gather.rs
index 028a142a7..8a3fa4999 100644
--- a/rslib/src/import_export/gather.rs
+++ b/rslib/src/import_export/gather.rs
@@ -123,14 +123,14 @@ impl ExchangeData {
     }
 
     fn check_ids(&self) -> Result<()> {
-        let now = TimestampMillis::now().0;
+        let tomorrow = TimestampMillis::now().adding_secs(86_400).0;
         if self
             .cards
             .iter()
             .map(|card| card.id.0)
             .chain(self.notes.iter().map(|note| note.id.0))
             .chain(self.revlog.iter().map(|entry| entry.id.0))
-            .any(|timestamp| timestamp > now)
+            .any(|timestamp| timestamp > tomorrow)
         {
             Err(AnkiError::InvalidId)
         } else {
diff --git a/rslib/src/timestamp.rs b/rslib/src/timestamp.rs
index ba07167a5..31b9b5cbd 100644
--- a/rslib/src/timestamp.rs
+++ b/rslib/src/timestamp.rs
@@ -80,6 +80,10 @@ impl TimestampMillis {
     pub fn as_secs(self) -> TimestampSecs {
         TimestampSecs(self.0 / 1000)
     }
+
+    pub fn adding_secs(self, secs: i64) -> Self {
+        Self(self.0 + secs * 1000)
+    }
 }
 
 fn elapsed() -> time::Duration {