explicitly include <endian.h> for be32toh()
diff --git a/lib/repository_admin.c b/lib/repository_admin.c
index 9515151..4716cfc 100644
--- a/lib/repository_admin.c
+++ b/lib/repository_admin.c
@@ -22,6 +22,7 @@
#include <sys/wait.h>
#include <dirent.h>
+#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <stdint.h>