diff --git a/repertory/librepertory/src/providers/s3/s3_provider.cpp b/repertory/librepertory/src/providers/s3/s3_provider.cpp
index 187ce69c..82703539 100644
--- a/repertory/librepertory/src/providers/s3/s3_provider.cpp
+++ b/repertory/librepertory/src/providers/s3/s3_provider.cpp
@@ -1204,6 +1204,8 @@ auto s3_provider::upload_file_impl(const std::string &api_path,
       return api_error::comm_error;
     }
     file_size = opt_size.value();
+  } else {
+    return api_error::item_not_found;
   }
 
   const auto &cfg{get_s3_config()};
diff --git a/repertory/librepertory/src/providers/sia/sia_provider.cpp b/repertory/librepertory/src/providers/sia/sia_provider.cpp
index 3909c255..87eae75d 100644
--- a/repertory/librepertory/src/providers/sia/sia_provider.cpp
+++ b/repertory/librepertory/src/providers/sia/sia_provider.cpp
@@ -900,6 +900,10 @@ auto sia_provider::upload_file_impl(const std::string &api_path,
                                     stop_type &stop_requested) -> api_error {
   REPERTORY_USES_FUNCTION_NAME();
 
+  if (not utils::file::file{source_path}.exists()) {
+    return api_error::item_not_found;
+  }
+
   curl::requests::http_put_file put_file{};
   put_file.path = "/api/worker/object" + api_path;
   put_file.query["bucket"] = get_sia_config().bucket;