diff --git a/bloom.c b/bloom.c
index c5b461d1cf..dd9bab9bbd 100644
--- a/bloom.c
+++ b/bloom.c
@@ -189,6 +189,7 @@ struct bloom_filter *get_bloom_filter(struct repository *r,
 
 	repo_diff_setup(r, &diffopt);
 	diffopt.flags.recursive = 1;
+	diffopt.detect_rename = 0;
 	diffopt.max_changes = max_changes;
 	diff_setup_done(&diffopt);