diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
index f831e8af2e..c88ad3bd96 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
@@ -594,8 +594,15 @@ typedef struct UEsched_s {
   NR_UE_info_t * UE;
 } UEsched_t;
 
-static int comparator(const void *p, const void *q) {
-  return ((UEsched_t*)p)->coef < ((UEsched_t*)q)->coef;
+static int comparator(const void *p, const void *q)
+{
+  const UEsched_t *pp = p;
+  const UEsched_t *qq = q;
+  if (pp->coef < qq->coef)
+    return 1;
+  else if (pp->coef > qq->coef)
+    return -1;
+  return 0;
 }
 
 static void pf_dl(module_id_t module_id,