diff --git a/src/modules/filesystem/physfs/Filesystem.cpp b/src/modules/filesystem/physfs/Filesystem.cpp
index 021fc5783..a3abb96b8 100644
--- a/src/modules/filesystem/physfs/Filesystem.cpp
+++ b/src/modules/filesystem/physfs/Filesystem.cpp
@@ -20,6 +20,7 @@
 
 #include <iostream>
 #include <sstream>
+#include <algorithm>
 
 #include "common/utf8.h"
 #include "common/b64.h"