Index: qgis-3.22.0/src/server/qgis_map_serv.cpp
===================================================================
--- qgis-3.22.0.orig/src/server/qgis_map_serv.cpp
+++ qgis-3.22.0/src/server/qgis_map_serv.cpp
@@ -24,7 +24,7 @@
 #include "qgsapplication.h"
 #include "qgscommandlineutils.h"
 
-#include <fcgi_stdio.h>
+#include <fastcgi/fcgi_stdio.h>
 #include <cstdlib>
 
 #include <QFontDatabase>