diff --git a/openair2/GNB_APP/MACRLC_nr_paramdef.h b/openair2/GNB_APP/MACRLC_nr_paramdef.h
index e4eaa52804..e682c559fa 100644
--- a/openair2/GNB_APP/MACRLC_nr_paramdef.h
+++ b/openair2/GNB_APP/MACRLC_nr_paramdef.h
@@ -135,7 +135,7 @@
   {CONFIG_STRING_MACRLC_UL_MAX_MCS,                  HLP_MACRLC_UL_MAX_MCS,    0, .u8ptr=NULL,  .defintval=28,              TYPE_UINT8,   0}, \
   {CONFIG_STRING_MACRLC_DL_HARQ_ROUND_MAX,           HLP_MACRLC_DL_HARQ_MAX,   0, .u8ptr=NULL,  .defintval=4,               TYPE_UINT8,   0}, \
   {CONFIG_STRING_MACRLC_UL_HARQ_ROUND_MAX,           HLP_MACRLC_UL_HARQ_MAX,   0, .u8ptr=NULL,  .defintval=4,               TYPE_UINT8,   0}, \
-  {CONFIG_STRING_MACRLC_MIN_GRANT_PRB,               HLP_MACRLC_MIN_GRANT_PRB, 0, .u8ptr=NULL,  .defintval=5,               TYPE_UINT8,   0}, \
+  {CONFIG_STRING_MACRLC_MIN_GRANT_PRB,               HLP_MACRLC_MIN_GRANT_PRB, 0, .u16ptr=NULL, .defintval=5,               TYPE_UINT16,  0}, \
   {CONFIG_STRING_MACRLC_IDENTITY_PM,                 HLP_MACRLC_IDENTITY_PM,   PARAMFLAG_BOOL, .u8ptr=NULL, .defintval=0,   TYPE_UINT8,   0}, \
   {CONFIG_STRING_MACRLC_LOCAL_N_ADDRESS_F1U,         NULL,                     0, .strptr=NULL, .defstrval=NULL,            TYPE_STRING,  0}, \
   {CONFIG_STRING_MACRLC_TRANSPORT_S_SHM_PREFIX,      NULL,                     0, .strptr=NULL, .defstrval="nvipc",         TYPE_STRING,  0}, \
diff --git a/openair2/GNB_APP/gnb_config.c b/openair2/GNB_APP/gnb_config.c
index 281bda44ef..13a75451b8 100644
--- a/openair2/GNB_APP/gnb_config.c
+++ b/openair2/GNB_APP/gnb_config.c
@@ -1685,7 +1685,7 @@ void RCconfig_nr_macrlc(configmodule_interface_t *cfg)
         ul_bler_options->harq_round_max = 1;
       else
         ul_bler_options->harq_round_max = *(MacRLC_ParamList.paramarray[j][MACRLC_UL_HARQ_ROUND_MAX_IDX].u8ptr);
-      RC.nrmac[j]->min_grant_prb = *(MacRLC_ParamList.paramarray[j][MACRLC_MIN_GRANT_PRB_IDX].u8ptr);
+      RC.nrmac[j]->min_grant_prb = *(MacRLC_ParamList.paramarray[j][MACRLC_MIN_GRANT_PRB_IDX].u16ptr);
       RC.nrmac[j]->identity_pm = *(MacRLC_ParamList.paramarray[j][MACRLC_IDENTITY_PM_IDX].u8ptr);
       // PRB Blacklist
       uint16_t prbbl[MAX_BWP_SIZE] = {0};
diff --git a/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h b/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
index 561f55339c..1e7ac572ef 100644
--- a/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
+++ b/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
@@ -908,7 +908,7 @@ typedef struct gNB_MAC_INST_s {
   bool first_MIB;
   NR_bler_options_t dl_bler;
   NR_bler_options_t ul_bler;
-  uint8_t min_grant_prb;
+  uint16_t min_grant_prb;
   bool identity_pm;
   int precoding_matrix_size[NR_MAX_NB_LAYERS];
   int fapi_beam_index[MAX_NUM_OF_SSB];