diff --git a/openair2/LAYER2/NR_MAC_UE/nr_ra_procedures.c b/openair2/LAYER2/NR_MAC_UE/nr_ra_procedures.c
index 73228af0d1..ebcb0e601b 100644
--- a/openair2/LAYER2/NR_MAC_UE/nr_ra_procedures.c
+++ b/openair2/LAYER2/NR_MAC_UE/nr_ra_procedures.c
@@ -597,7 +597,7 @@ void nr_Msg3_transmitted(module_id_t mod_id, uint8_t CC_id, frame_t frameP, slot
   // start contention resolution timer (cnt in slots)
   int RA_contention_resolution_timer_subframes = (nr_rach_ConfigCommon->ra_ContentionResolutionTimer + 1)<<3;
 
-  ra->RA_contention_resolution_target_frame = frameP + (RA_contention_resolution_timer_subframes/10);
+  ra->RA_contention_resolution_target_frame = (frameP + (RA_contention_resolution_timer_subframes/10)) % MAX_FRAME_NUMBER;
   ra->RA_contention_resolution_target_slot = (slotP + (RA_contention_resolution_timer_subframes * subframes_per_slot)) % nr_slots_per_frame[mu];
 
   LOG_D(MAC,"In %s: [UE %d] CB-RA: contention resolution timer set in frame.slot %d.%d and expiring in %d.%d\n",