diff --git a/mongoose.c b/mongoose.c
index 956dca61..9e41ea75 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -4243,6 +4243,7 @@ static void handle_request(struct mg_connection *conn) {
                           strlen(conn->ctx->config[CGI_EXTENSIONS]),
                           path) > 0) {
     if (strcmp(ri->request_method, "POST") &&
+        strcmp(ri->request_method, "HEAD") &&
         strcmp(ri->request_method, "GET")) {
       send_http_error(conn, 501, "Not Implemented",
                       "Method %s is not implemented", ri->request_method);