diff --git a/code/nel/src/gui/group_html.cpp b/code/nel/src/gui/group_html.cpp
index b185c67c3..c9977589f 100644
--- a/code/nel/src/gui/group_html.cpp
+++ b/code/nel/src/gui/group_html.cpp
@@ -689,7 +689,7 @@ namespace NLGUI
char *ch;
std::string contentType;
res = curl_easy_getinfo(_CurlWWW->Request, CURLINFO_CONTENT_TYPE, &ch);
- if (res == CURLE_OK)
+ if (res == CURLE_OK && ch != NULL)
{
contentType = ch;
}