diff --git a/openair2/LAYER2/NR_MAC_gNB/nr_radio_config.c b/openair2/LAYER2/NR_MAC_gNB/nr_radio_config.c
index 41ace5014b..004e08d3be 100644
--- a/openair2/LAYER2/NR_MAC_gNB/nr_radio_config.c
+++ b/openair2/LAYER2/NR_MAC_gNB/nr_radio_config.c
@@ -3524,7 +3524,7 @@ NR_CellGroupConfig_t *get_initial_cellGroupConfig(int uid,
 
 void update_cellGroupConfig(NR_CellGroupConfig_t *cellGroupConfig,
                             const int uid,
-                            NR_UE_NR_Capability_t *uecap,
+                            const NR_UE_NR_Capability_t *uecap,
                             const nr_mac_config_t *configuration,
                             const NR_ServingCellConfigCommon_t *scc)
 {
diff --git a/openair2/LAYER2/NR_MAC_gNB/nr_radio_config.h b/openair2/LAYER2/NR_MAC_gNB/nr_radio_config.h
index cdb4f5b792..bdf56a3310 100644
--- a/openair2/LAYER2/NR_MAC_gNB/nr_radio_config.h
+++ b/openair2/LAYER2/NR_MAC_gNB/nr_radio_config.h
@@ -89,7 +89,7 @@ NR_CellGroupConfig_t *get_initial_cellGroupConfig(int uid,
                                                   const nr_rlc_configuration_t *default_rlc_config);
 void update_cellGroupConfig(NR_CellGroupConfig_t *cellGroupConfig,
                             const int uid,
-                            NR_UE_NR_Capability_t *uecap,
+                            const NR_UE_NR_Capability_t *uecap,
                             const nr_mac_config_t *configuration,
                             const NR_ServingCellConfigCommon_t *scc);
 void free_cellGroupConfig(NR_CellGroupConfig_t *cellGroupConfig);