diff --git a/app/ldiff/diffcontainer.go b/app/ldiff/diffcontainer.go
index d6b43b34..c9ee867e 100644
--- a/app/ldiff/diffcontainer.go
+++ b/app/ldiff/diffcontainer.go
@@ -30,12 +30,14 @@ func (d *diffContainer) PrecalculatedDiff() Diff {
 func (d *diffContainer) Set(elements ...Element) {
 	d.initial.mu.Lock()
 	defer d.initial.mu.Unlock()
+	defer d.initial.markHashDirty()
 	d.precalculated.Set(elements...)
 }
 
 func (d *diffContainer) RemoveId(id string) error {
 	d.initial.mu.Lock()
 	defer d.initial.mu.Unlock()
+	defer d.initial.markHashDirty()
 	return d.precalculated.RemoveId(id)
 }
 
diff --git a/app/ldiff/olddiff.go b/app/ldiff/olddiff.go
index 71f2f0a8..9d44b900 100644
--- a/app/ldiff/olddiff.go
+++ b/app/ldiff/olddiff.go
@@ -251,6 +251,10 @@ func (d *olddiff) Diff(ctx context.Context, dl Remote) (newIds, changedIds, remo
 	return dctx.newIds, dctx.changedIds, dctx.removedIds, nil
 }
 
+func (d *olddiff) markHashDirty() {
+	d.hashIsDirty.Store(true)
+}
+
 func (d *olddiff) compareResults(dctx *diffCtx, r Range, myRes, otherRes RangeResult) {
 	// both hash equals - do nothing
 	if bytes.Equal(myRes.Hash, otherRes.Hash) {