1 files changed, 1 insertions, 0 deletions

diff --git a/src/ats/ats_api_scheduling.c b/src/ats/ats_api_scheduling.c
index bcca89456..669e2db71 100644
--- a/src/ats/ats_api_scheduling.c
+++ b/src/ats/ats_api_scheduling.c
@@ -253,6 +253,7 @@ find_empty_session_slot (struct GNUNET_ATS_SchedulingHandle *sh)
   static uint32_t off;
   uint32_t i;
 
+  GNUNET_assert (0 != sh->session_array_size);
   i = 0;
   while ( ( (NOT_FOUND == off) ||
             (NULL != sh->session_array[off % sh->session_array_size]) ) &&