diff --git a/lib/include/srsran/interfaces/gnb_ngap_interfaces.h b/lib/include/srsran/interfaces/gnb_ngap_interfaces.h
index eed86ca4d..5d3fd92a8 100644
--- a/lib/include/srsran/interfaces/gnb_ngap_interfaces.h
+++ b/lib/include/srsran/interfaces/gnb_ngap_interfaces.h
@@ -18,16 +18,16 @@
 namespace srsenb {
 
 struct ngap_args_t {
-  uint32_t    gnb_id;  // 20-bit id (lsb bits)
-  uint8_t     cell_id; // 8-bit cell id
-  uint16_t    tac;     // 16-bit tac
-  uint16_t    mcc;     // BCD-coded with 0xF filler
-  uint16_t    mnc;     // BCD-coded with 0xF filler
-  std::string amf_addr;
-  std::string gtp_bind_addr;
-  std::string gtp_advertise_addr;
-  std::string ngc_bind_addr;
-  std::string gnb_name;
+  uint32_t    gnb_id             = 0; // 20-bit id (lsb bits)
+  uint8_t     cell_id            = 0; // 8-bit cell id
+  uint16_t    tac                = 0; // 16-bit tac
+  uint16_t    mcc                = 0; // BCD-coded with 0xF filler
+  uint16_t    mnc                = 0; // BCD-coded with 0xF filler
+  std::string amf_addr           = "";
+  std::string gtp_bind_addr      = "";
+  std::string gtp_advertise_addr = "";
+  std::string ngc_bind_addr      = "";
+  std::string gnb_name           = "";
 };
 
 // NGAP interface for RRC
diff --git a/srsenb/hdr/stack/ngap/ngap.h b/srsenb/hdr/stack/ngap/ngap.h
index 737d6022d..9ee160629 100644
--- a/srsenb/hdr/stack/ngap/ngap.h
+++ b/srsenb/hdr/stack/ngap/ngap.h
@@ -77,7 +77,7 @@ private:
 
   // args
   rrc_interface_ngap_nr*      rrc = nullptr;
-  ngap_args_t                 args;
+  ngap_args_t                 args = {};
   srslog::basic_logger&       logger;
   srsran::task_sched_handle   task_sched;
   srsran::task_queue_handle   amf_task_queue;
diff --git a/srsenb/test/ngap/ngap_test.cc b/srsenb/test/ngap/ngap_test.cc
index d21bf7223..24a556b31 100644
--- a/srsenb/test/ngap/ngap_test.cc
+++ b/srsenb/test/ngap/ngap_test.cc
@@ -86,7 +86,7 @@ struct dummy_socket_manager : public srsran::socket_manager_itf {
     return true;
   }
 
-  int             s1u_fd;
+  int             s1u_fd = 0;
   recv_callback_t callback;
 };
 
@@ -141,7 +141,7 @@ int main(int argc, char** argv)
   args.ngc_bind_addr = "127.0.0.100";
   args.tac           = 7;
   args.gtp_bind_addr = "127.0.0.100";
-  args.amf_addr      = amf_addr_str;
+  args.amf_addr      = "127.0.0.1";
   args.gnb_name      = "srsgnb01";
   rrc_interface_ngap_nr rrc;
   ngap_obj.init(args, &rrc);