diff --git a/sysutils/snmp_exporter/Makefile b/sysutils/snmp_exporter/Makefile
--- a/sysutils/snmp_exporter/Makefile
+++ b/sysutils/snmp_exporter/Makefile
@@ -1,7 +1,7 @@
 PORTNAME=	snmp_exporter
 DISTVERSIONPREFIX=v
 DISTVERSION=	0.29.0
-PORTREVISION=	13
+PORTREVISION=	14
 CATEGORIES=	sysutils
 
 MAINTAINER=	ivy@FreeBSD.org
diff --git a/sysutils/snmp_exporter/files/patch-generator_net__snmp.go b/sysutils/snmp_exporter/files/patch-generator_net__snmp.go
new file mode 100644
--- /dev/null
+++ b/sysutils/snmp_exporter/files/patch-generator_net__snmp.go
@@ -0,0 +1,20 @@
+--- generator/net_snmp.go.orig	2026-03-02 17:36:00 UTC
++++ generator/net_snmp.go
+@@ -19,6 +19,7 @@ package main
+ #include <net-snmp/net-snmp-config.h>
+ #include <net-snmp/mib_api.h>
+ #include <net-snmp/agent/agent_callbacks.h>
++#include <net-snmp/library/snmp_api.h>
+ #include <net-snmp/library/default_store.h>
+ #include <net-snmp/library/parse.h>
+ #include <unistd.h>
+@@ -41,6 +42,9 @@ struct tc {
+   struct enum_list *enums;
+   struct range_list *ranges;
+   char           *description;
++#if defined(SNMP_FLAGS_SESSION_USER)
++  int             lineno;
++#endif
+ #if !defined(NETSNMP_DS_LIB_ADD_FORWARDER_INFO)
+ } tclist[MAXTC];
+ int tc_alloc = MAXTC;