diff --git a/openair1/PHY/NR_UE_TRANSPORT/dci_nr.c b/openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
index 43d739f141..c1cebc64a8 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
@@ -879,7 +879,7 @@ void nr_pdcch_unscrambling(int16_t *z,
  */
 uint16_t nr_dci_false_detection(uint64_t *dci,
                             int16_t *soft_in,
-                            t_nrPolar_params *polar_param,
+                            const t_nrPolar_params *polar_param,
                             int encoded_length,
                             int rnti) {