diff --git a/db/schema_tables.cc b/db/schema_tables.cc
index 8ea2574feb..9330083006 100644
--- a/db/schema_tables.cc
+++ b/db/schema_tables.cc
@@ -1063,10 +1063,10 @@ static void merge_tables_and_views(distributed<service::storage_proxy>& proxy,
     std::map<utils::UUID, schema_mutations>&& views_before,
     std::map<utils::UUID, schema_mutations>&& views_after)
 {
-    auto tables_diff = diff_table_or_view(proxy, std::move(tables_before), std::move(tables_after), [&] (auto&& sm) {
+    auto tables_diff = diff_table_or_view(proxy, std::move(tables_before), std::move(tables_after), [&] (schema_mutations sm) {
         return create_table_from_mutations(proxy, std::move(sm));
     });
-    auto views_diff = diff_table_or_view(proxy, std::move(views_before), std::move(views_after), [&] (auto&& sm) {
+    auto views_diff = diff_table_or_view(proxy, std::move(views_before), std::move(views_after), [&] (schema_mutations sm) {
         return create_view_from_mutations(proxy, std::move(sm));
     });