diff --git a/src/libostree/ostree-repo.c b/src/libostree/ostree-repo.c
index c1aedb91..0d20c25b 100644
--- a/src/libostree/ostree-repo.c
+++ b/src/libostree/ostree-repo.c
@@ -4561,7 +4561,8 @@ ostree_repo_regenerate_summary (OstreeRepo     *self,
         g_variant_dict_insert_value (&deltas_builder, delta_names->pdata[i], ot_gvariant_new_bytearray (csum, 32));
       }
 
-    g_variant_dict_insert_value (&additional_metadata_builder, OSTREE_SUMMARY_STATIC_DELTAS, g_variant_dict_end (&deltas_builder));
+    if (delta_names->len > 0)
+      g_variant_dict_insert_value (&additional_metadata_builder, OSTREE_SUMMARY_STATIC_DELTAS, g_variant_dict_end (&deltas_builder));
   }
 
   {
diff --git a/tests/test-summary-view.sh b/tests/test-summary-view.sh
index 5b52b691..60855eb1 100755
--- a/tests/test-summary-view.sh
+++ b/tests/test-summary-view.sh
@@ -51,7 +51,6 @@ ${OSTREE} summary --view > summary.txt
 assert_file_has_content_literal summary.txt "* main"
 assert_file_has_content_literal summary.txt "* other"
 assert_file_has_content_literal summary.txt "ostree.summary.last-modified"
-assert_file_has_content_literal summary.txt "Static Deltas (ostree.static-deltas): {}"
 assert_file_has_content_literal summary.txt "Timestamp (ostree.commit.timestamp): "
 echo "ok view summary"