diff --git a/lib/src/phy/phch/test/pdsch_test.c b/lib/src/phy/phch/test/pdsch_test.c
index 3e4aa5abc..4053176d9 100644
--- a/lib/src/phy/phch/test/pdsch_test.c
+++ b/lib/src/phy/phch/test/pdsch_test.c
@@ -111,7 +111,7 @@ void parse_args(int argc, char **argv) {
       cfi = atoi(argv[optind]);
       break;
     case 'x':
-      strncpy(mimo_type_str, argv[optind], sizeof(mimo_type_str));
+      strncpy(mimo_type_str, argv[optind], sizeof(mimo_type_str)-1);
       mimo_type_str[sizeof(mimo_type_str)-1] = 0;
       break;
     case 'p':
diff --git a/srsenb/src/enb_cfg_parser.cc b/srsenb/src/enb_cfg_parser.cc
index 6438a342e..ab25d9dcc 100644
--- a/srsenb/src/enb_cfg_parser.cc
+++ b/srsenb/src/enb_cfg_parser.cc
@@ -715,7 +715,7 @@ int enb::parse_sib9(std::string filename, LIBLTE_RRC_SYS_INFO_BLOCK_TYPE_9_STRUC
   if (!parser::parse_section(filename, &sib9)) {
     data->hnb_name_present = true; 
     if (name_enabled) {
-      strncpy((char*) data->hnb_name, hnb_name.c_str(), 48);
+      strncpy((char*) data->hnb_name, hnb_name.c_str(), 47);
       data->hnb_name[47] = 0;
       data->hnb_name_size = strnlen(hnb_name.c_str(), 48);         
     } else if (hex_enabled) {
diff --git a/srsue/src/upper/gw.cc b/srsue/src/upper/gw.cc
index 5bc94d3e7..65748f57b 100644
--- a/srsue/src/upper/gw.cc
+++ b/srsue/src/upper/gw.cc
@@ -201,7 +201,7 @@ srslte::error_t gw::init_if(char *err_str)
   }
   memset(&ifr, 0, sizeof(ifr));
   ifr.ifr_flags = IFF_TUN | IFF_NO_PI;
-  strncpy(ifr.ifr_ifrn.ifrn_name, dev, IFNAMSIZ);
+  strncpy(ifr.ifr_ifrn.ifrn_name, dev, IFNAMSIZ-1);
   ifr.ifr_ifrn.ifrn_name[IFNAMSIZ-1] = 0;
   if(0 > ioctl(tun_fd, TUNSETIFF, &ifr))
   {