diff --git a/lib/iscsi/init_grp.c b/lib/iscsi/init_grp.c
index c46fb8074..ea72849b0 100644
--- a/lib/iscsi/init_grp.c
+++ b/lib/iscsi/init_grp.c
@@ -106,7 +106,7 @@ spdk_iscsi_init_grp_add_initiator(struct spdk_iscsi_init_grp *ig, char *name)
 	if (p != NULL) {
 		SPDK_WARNLOG("Please use \"%s\" instead of \"%s\"\n", "ANY", "ALL");
 		SPDK_WARNLOG("Converting \"%s\" to \"%s\" automatically\n", "ALL", "ANY");
-		strncpy(p, "ANY", 3);
+		memcpy(p, "ANY", 3);
 	}
 
 	TAILQ_INSERT_TAIL(&ig->initiator_head, iname, tailq);
@@ -239,7 +239,7 @@ spdk_iscsi_init_grp_add_netmask(struct spdk_iscsi_init_grp *ig, char *mask)
 	if (p != NULL) {
 		SPDK_WARNLOG("Please use \"%s\" instead of \"%s\"\n", "ANY", "ALL");
 		SPDK_WARNLOG("Converting \"%s\" to \"%s\" automatically\n", "ALL", "ANY");
-		strncpy(p, "ANY", 3);
+		memcpy(p, "ANY", 3);
 	}
 
 	TAILQ_INSERT_TAIL(&ig->netmask_head, imask, tailq);
diff --git a/lib/iscsi/portal_grp.c b/lib/iscsi/portal_grp.c
index 6c6f7fedd..0a09e28b9 100644
--- a/lib/iscsi/portal_grp.c
+++ b/lib/iscsi/portal_grp.c
@@ -253,7 +253,7 @@ spdk_iscsi_parse_portal(const char *portalstring, struct spdk_iscsi_portal **ip,
 			SPDK_ERRLOG("malloc() failed for host\n");
 			goto error_out;
 		}
-		strncpy(host, portalstring, len);
+		memcpy(host, portalstring, len);
 		host[len] = '\0';
 	}
 
@@ -288,7 +288,7 @@ spdk_iscsi_parse_portal(const char *portalstring, struct spdk_iscsi_portal **ip,
 				SPDK_ERRLOG("malloc() failed for port\n");
 				goto error_out;
 			}
-			strncpy(port, p + 1, len);
+			memcpy(port, p + 1, len);
 			port[len] = '\0';
 		}
 	}
@@ -308,7 +308,7 @@ spdk_iscsi_parse_portal(const char *portalstring, struct spdk_iscsi_portal **ip,
 				SPDK_ERRLOG("malloc() failed for cpumask\n");
 				goto error_out;
 			}
-			strncpy(cpumask, p + 1, len);
+			memcpy(cpumask, p + 1, len);
 			cpumask[len] = '\0';
 		}
 	}