diff --git a/openair1/PHY/NR_UE_TRANSPORT/dci_nr.c b/openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
index bf2d91bdc8..ba641f1d0d 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
@@ -348,7 +348,7 @@ void nr_rx_pdcch(PHY_VARS_NR_UE *ue,
   const int antRx = frame_parms->nb_antennas_rx;
 
   // Pointer to llrs, 4-bit resolution.
-  int32_t llr_size = (rel15->coreset.duration-rel15->coreset.StartSymbolIndex)  * n_rb * RE_PER_RB_OUT_DMRS;
+  int32_t llr_size = (rel15->coreset.duration + rel15->coreset.StartSymbolIndex) * n_rb * RE_PER_RB_OUT_DMRS;
   c16_t llr[llr_size];
 
   LOG_D(NR_PHY_DCI,