diff --git a/lib/sha256.c b/lib/sha256.c
index a0c6eac420..f98a758821 100644
--- a/lib/sha256.c
+++ b/lib/sha256.c
@@ -36,6 +36,8 @@ be32dec(const void *pp)
         return ((uint32_t)(p[3]) + ((uint32_t)(p[2]) << 8) +
             ((uint32_t)(p[1]) << 16) + ((uint32_t)(p[0]) << 24));
 }
+#else
+#include <sys/endian.h>
 #endif
 
 #if !HAVE_DECL_BE32ENC
@@ -49,6 +51,8 @@ be32enc(void *pp, uint32_t x)
         p[1] = (x >> 16) & 0xff;
         p[0] = (x >> 24) & 0xff;
 }
+#else
+#include <sys/endian.h>
 #endif
 
 /*