diff --git a/revision.c b/revision.c
index 599b3a66c3..c2f3276e48 100644
--- a/revision.c
+++ b/revision.c
@@ -708,6 +708,8 @@ cleanup:
 
 static void prepare_to_use_bloom_filter(struct rev_info *revs)
 {
+	release_revisions_bloom_keyvecs(revs);
+
 	if (!revs->commits)
 		return;