1 files changed, 1 insertions, 1 deletions

diff --git a/miscutils/ionice.c b/miscutils/ionice.c
index 52e51b908..6b791c491 100644
--- a/miscutils/ionice.c
+++ b/miscutils/ionice.c
@@ -73,7 +73,7 @@ int ionice_main(int argc UNUSED_PARAM, char **argv)
 
         if (!(opt & (OPT_n|OPT_c))) {
                 if (!(opt & OPT_p) && *argv)
-                        pid = xatoi_u(*argv);
+                        pid = xatoi_positive(*argv);
 
                 pri = ioprio_get(IOPRIO_WHO_PROCESS, pid);
                 if (pri == -1)