diff --git a/executables/softmodem-common.h b/executables/softmodem-common.h
index feb020154b..7c027bda23 100644
--- a/executables/softmodem-common.h
+++ b/executables/softmodem-common.h
@@ -56,6 +56,7 @@ extern "C"
 #define CONFIG_HLP_UELOOP        "get softmodem (UE) to loop through memory instead of acquiring from HW\n"
 #define CONFIG_HLP_PHYTST        "test UE phy layer, mac disabled\n"
 #define CONFIG_HLP_DORA          "test gNB  and UE with RA procedures\n"
+#define CONFIG_HLP_SA            "run gNB  in standalone mode\n"
 #define CONFIG_HLP_EXTS          "tells hardware to use an external timing reference\n"
 #define CONFIG_HLP_DMRSSYNC      "tells RU to insert DMRS in subframe 1 slot 0"
 #define CONFIG_HLP_CLK           "tells hardware to use a clock reference (0:internal, 1:external, 2:gpsdo)\n"
@@ -100,6 +101,7 @@ extern "C"
 #define TP_CONFIG           softmodem_params.threadPoolConfig
 #define PHY_TEST            softmodem_params.phy_test
 #define DO_RA               softmodem_params.do_ra
+#define SA                  softmodem_params.sa
 #define WAIT_FOR_SYNC       softmodem_params.wait_for_sync
 #define SINGLE_THREAD_FLAG  softmodem_params.single_thread_flag
 #define CHAIN_OFFSET        softmodem_params.chain_offset
@@ -118,6 +120,7 @@ extern "C"
     {"thread-pool",          CONFIG_HLP_TPOOL,        0,              strptr:(char **)&TP_CONFIG,         defstrval:"n",         TYPE_STRING, sizeof(TP_CONFIG)}, \
     {"phy-test",             CONFIG_HLP_PHYTST,       PARAMFLAG_BOOL, iptr:&PHY_TEST,                     defintval:0,           TYPE_INT,    0},                     \
     {"do-ra",                CONFIG_HLP_DORA,         PARAMFLAG_BOOL, iptr:&DO_RA,                        defintval:0,           TYPE_INT,    0},                     \
+    {"sa",                   CONFIG_HLP_SA,         PARAMFLAG_BOOL, iptr:&SA,                             defintval:0,           TYPE_INT,    0},                     \
     {"usim-test",            CONFIG_HLP_USIM,         PARAMFLAG_BOOL, u8ptr:&USIM_TEST,                   defintval:0,           TYPE_UINT8,  0},                     \
     {"clock-source",                CONFIG_HLP_CLK,          0,              uptr:&CLOCK_SOURCE,                 defintval:0,           TYPE_UINT,   0},                     \
     {"time-source",                CONFIG_HLP_TME,          0,              uptr:&TIMING_SOURCE,                 defintval:0,           TYPE_UINT,   0},                     \
@@ -211,6 +214,7 @@ typedef struct {
   char           threadPoolConfig[1024];
   int            phy_test;
   int            do_ra;
+  int            sa;
   uint8_t        usim_test;
   int            emulate_rf;
   int            wait_for_sync; //eNodeB only
diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c
index 58782918b7..c149fa5d39 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c
@@ -492,8 +492,10 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP,
   schedule_nr_mib(module_idP, frame, slot, slots_per_frame[*scc->ssbSubcarrierSpacing]);
 
   // This schedules SIB1
-  if (get_softmodem_params()->phy_test == 0)
+  if ( (get_softmodem_params()->phy_test == 0) & (get_softmodem_params()->sa == 1) )
     schedule_nr_sib1(module_idP, frame, slot);
+  else if ( (get_softmodem_params()->phy_test == 1) & (get_softmodem_params()->sa == 1) )
+    LOG_W(MAC,"Remove --phy-test to transmit SIB1 in standalone mode\n");
 
   // This schedule PRACH if we are not in phy_test mode
   if (get_softmodem_params()->phy_test == 0)