1 files changed, 2 insertions, 2 deletions

diff --git a/plugins/utils.c b/plugins/utils.c
index f75cf03b..b4214c61 100644
--- a/plugins/utils.c
+++ b/plugins/utils.c
@@ -615,9 +615,9 @@ char *perfdata_uint64 (const char *label,
         char *data = NULL;
 
         if (strpbrk (label, "'= "))
-                xasprintf (&data, "'%s'=%" PRId64 "%s;", label, val, uom);
+                xasprintf (&data, "'%s'=%" PRIu64 "%s;", label, val, uom);
         else
-                xasprintf (&data, "%s=%" PRId64 "%s;", label, val, uom);
+                xasprintf (&data, "%s=%" PRIu64 "%s;", label, val, uom);
 
         if (warnp)
                 xasprintf (&data, "%s%" PRIu64 ";", data, warn);