diff --git a/src/libstore/download.cc b/src/libstore/download.cc
index 6ce9525c..0c5a73ea 100644
--- a/src/libstore/download.cc
+++ b/src/libstore/download.cc
@@ -244,6 +244,8 @@ struct CurlDownloader : public Downloader
             #if LIBCURL_VERSION_NUM >= 0x072f00
             if (downloadSettings.enableHttp2)
                 curl_easy_setopt(req, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_2TLS);
+            else
+                curl_easy_setopt(req, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
             #endif
             curl_easy_setopt(req, CURLOPT_WRITEFUNCTION, DownloadItem::writeCallbackWrapper);
             curl_easy_setopt(req, CURLOPT_WRITEDATA, this);