diff --git a/roles/translator/src/lib/downstream_sv1/diff_management.rs b/roles/translator/src/lib/downstream_sv1/diff_management.rs
index d4a7a47fb4..bc7a32cd61 100644
--- a/roles/translator/src/lib/downstream_sv1/diff_management.rs
+++ b/roles/translator/src/lib/downstream_sv1/diff_management.rs
@@ -317,6 +317,7 @@ mod test {
 
     use crate::downstream_sv1::Downstream;
 
+    #[ignore] // as described in issue #988
     #[test]
     fn test_diff_management() {
         let expected_shares_per_minute = 1000.0;