diff --git a/engine/platform/platform.h b/engine/platform/platform.h
index 586a2836..772ed47f 100644
--- a/engine/platform/platform.h
+++ b/engine/platform/platform.h
@@ -17,6 +17,7 @@ GNU General Public License for more details.
 #ifndef PLATFORM_H
 #define PLATFORM_H
 
+#include <errno.h>
 #include "common.h"
 #include "system.h"
 #include "defaults.h"