enable more format string warnings

1 files changed, 3 insertions, 1 deletions

diff --git a/src/util/service.c b/src/util/service.c
index ddd31181d..4c647430d 100644
--- a/src/util/service.c
+++ b/src/util/service.c
@@ -2120,7 +2120,9 @@ GNUNET_SERVICE_run_ (int argc,
   {
     clock_offset = skew_offset - skew_variance;
     GNUNET_TIME_set_offset (clock_offset);
-    LOG (GNUNET_ERROR_TYPE_DEBUG, "Skewing clock by %dll ms\n", clock_offset);
+    LOG (GNUNET_ERROR_TYPE_DEBUG,
+         "Skewing clock by %lld ms\n",
+         (long long) clock_offset);
   }
   GNUNET_RESOLVER_connect (sh.cfg);