diff --git a/lib/srv6.h b/lib/srv6.h
index 03ada7fcfc..f25c5cfcaa 100644
--- a/lib/srv6.h
+++ b/lib/srv6.h
@@ -335,24 +335,23 @@ static inline const char *srv6_sid_ctx2str(char *str, size_t size,
 		break;
 
 	case ZEBRA_SEG6_LOCAL_ACTION_END:
-		len += snprintf(str + len, size - len, " USP");
+		snprintf(str + len, size - len, " USP");
 		break;
 
 	case ZEBRA_SEG6_LOCAL_ACTION_END_X:
 	case ZEBRA_SEG6_LOCAL_ACTION_END_DX6:
-		len += snprintfrr(str + len, size - len, " nh6 %pI6", &ctx->nh6);
+		snprintfrr(str + len, size - len, " nh6 %pI6", &ctx->nh6);
 		break;
 
 	case ZEBRA_SEG6_LOCAL_ACTION_END_DX4:
-		len += snprintfrr(str + len, size - len, " nh4 %pI4", &ctx->nh4);
+		snprintfrr(str + len, size - len, " nh4 %pI4", &ctx->nh4);
 		break;
 
 	case ZEBRA_SEG6_LOCAL_ACTION_END_T:
 	case ZEBRA_SEG6_LOCAL_ACTION_END_DT6:
 	case ZEBRA_SEG6_LOCAL_ACTION_END_DT4:
 	case ZEBRA_SEG6_LOCAL_ACTION_END_DT46:
-		len += snprintf(str + len, size - len, " vrf_id %u",
-				ctx->vrf_id);
+		snprintf(str + len, size - len, " vrf_id %u", ctx->vrf_id);
 		break;
 
 	case ZEBRA_SEG6_LOCAL_ACTION_END_DX2:
@@ -364,7 +363,7 @@ static inline const char *srv6_sid_ctx2str(char *str, size_t size,
 	case ZEBRA_SEG6_LOCAL_ACTION_END_AM:
 	case ZEBRA_SEG6_LOCAL_ACTION_END_BPF:
 	default:
-		len += snprintf(str + len, size - len, " unknown(%s)", __func__);
+		snprintf(str + len, size - len, " unknown(%s)", __func__);
 	}
 
 	return str;
diff --git a/zebra/zebra_srv6_vty.c b/zebra/zebra_srv6_vty.c
index c664a9c69f..5a80524149 100644
--- a/zebra/zebra_srv6_vty.c
+++ b/zebra/zebra_srv6_vty.c
@@ -969,7 +969,7 @@ static int zebra_sr_config(struct vty *vty)
 				&srv6->encap_src_addr);
 		}
 	}
-	if (zebra_srv6_is_enable()) {
+	if (srv6 && zebra_srv6_is_enable()) {
 		vty_out(vty, "  locators\n");
 		for (ALL_LIST_ELEMENTS_RO(srv6->locators, node, locator)) {
 			inet_ntop(AF_INET6, &locator->prefix.prefix,