diff --git a/src/mapgen.cpp b/src/mapgen.cpp
index 66937fb5..d8eb8068 100644
--- a/src/mapgen.cpp
+++ b/src/mapgen.cpp
@@ -30,6 +30,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "emerge.h"
 #include "content_mapnode.h" // For content_mapnode_get_new_name
 #include "voxelalgorithms.h"
+#include "porting.h"
 #include "profiler.h"
 #include "settings.h"
 #include "treegen.h"