diff --git a/include/platform/Platform.h b/include/platform/Platform.h
index b603ff9ba..131674008 100644
--- a/include/platform/Platform.h
+++ b/include/platform/Platform.h
@@ -10,6 +10,7 @@
 #define ANGLE_PLATFORM_H
 
 #include <stdint.h>
+#include <stdlib.h>
 #include <array>
 
 #define EGL_PLATFORM_ANGLE_PLATFORM_METHODS_ANGLEX 0x3482