Index: uspace/lib/bithenge/include/bithenge/os.h
===================================================================
--- uspace/lib/bithenge/include/bithenge/os.h	(revision 7c3fb9bd77e4d2f6c10517a052e567f176fa91ee)
+++ uspace/lib/bithenge/include/bithenge/os.h	(revision 9f272d9b29449d9630f3c3682f93e9e5ced70f4e)
@@ -33,4 +33,5 @@
 
 #ifdef __HELENOS__
+#include <stdint.h>
 typedef int64_t bithenge_int_t;
 #define BITHENGE_PRId PRId64
