1 files changed, 2 insertions, 1 deletions
diff --git a/src/libunixonacid/kolbak_enqueue.c b/src/libunixonacid/kolbak_enqueue.c
index 80fce01..0838e99 100644
--- a/src/libunixonacid/kolbak_enqueue.c
+++ b/src/libunixonacid/kolbak_enqueue.c
@@ -1,12 +1,13 @@
 /* ISC license. */
 
+#include <sys/types.h>
 #include <errno.h>
 #include <skalibs/kolbak.h>
 #include <skalibs/unixmessage.h>
 
 int kolbak_enqueue (kolbak_queue_t *q, unixmessage_handler_func_t *f, void *data)
 {
-  register unsigned int newtail = (q->tail + 1) % q->n ;
+  size_t newtail = (q->tail + 1) % q->n ;
   if (newtail == q->head) return (errno = ENOBUFS, 0) ;
   q->x[q->tail].f = f ;
   q->x[q->tail].data = data ;