Index: src/OFMacros.h
==================================================================
--- src/OFMacros.h
+++ src/OFMacros.h
@@ -18,10 +18,12 @@
 #define OF_LIKELY(cond) cond
 #define OF_UNLIKELY(cond) cond
 #endif
 
 #if defined(OF_BIG_ENDIAN)
+#include <stdint.h>
+
 static OF_INLINE void
 OF_BSWAP_V(uint8_t *buf, size_t len)
 {
 	uint32_t t;