diff --git a/src/handler/webget.cpp b/src/handler/webget.cpp
index c3e3519..891e954 100644
--- a/src/handler/webget.cpp
+++ b/src/handler/webget.cpp
@@ -190,7 +190,7 @@ static int curlGet(const FetchArgument &argument, FetchResult &result)
     curl_progress_data limit;
     limit.size_limit = global.maxAllowedDownloadSize;
     curl_set_common_options(curl_handle, new_url.data(), &limit);
-    list = curl_slist_append(list, "Content-Type: application/json;charset='utf-8'");
+    list = curl_slist_append(list, "Content-Type: application/json;charset=utf-8");
     if(argument.request_headers)
     {
         for(auto &x : *argument.request_headers)