diff --git a/bpf_queue.c b/bpf_queue.c
index 05788c5..1ddc9f9 100644
--- a/bpf_queue.c
+++ b/bpf_queue.c
@@ -650,14 +650,17 @@ bpf_queue_open1(struct quark_queue *qq, int use_fentry)
 		if (use_fentry) {
 			bpf_program__set_autoload(p->progs.fexit__inet_csk_accept, 1);
 			bpf_program__set_autoload(p->progs.fexit__tcp_v4_connect, 1);
-			bpf_program__set_autoload(p->progs.fexit__tcp_v6_connect, 1);
+			if (ipv6_supported())
+				bpf_program__set_autoload(p->progs.fexit__tcp_v6_connect, 1);
 			bpf_program__set_autoload(p->progs.fentry__tcp_close, 1);
 		} else {
 			bpf_program__set_autoload(p->progs.kretprobe__inet_csk_accept, 1);
 			bpf_program__set_autoload(p->progs.kprobe__tcp_v4_connect, 1);
 			bpf_program__set_autoload(p->progs.kretprobe__tcp_v4_connect, 1);
-			bpf_program__set_autoload(p->progs.kprobe__tcp_v6_connect, 1);
-			bpf_program__set_autoload(p->progs.kretprobe__tcp_v6_connect, 1);
+			if (ipv6_supported()) {
+				bpf_program__set_autoload(p->progs.kprobe__tcp_v6_connect, 1);
+				bpf_program__set_autoload(p->progs.kretprobe__tcp_v6_connect, 1);
+			}
 			bpf_program__set_autoload(p->progs.kprobe__tcp_close, 1);
 		}
 
diff --git a/quark.c b/quark.c
index 9de0407..20a4d8b 100644
--- a/quark.c
+++ b/quark.c
@@ -2094,9 +2094,11 @@ sproc_scrape(struct quark_queue *qq)
 		r = sproc_net_tcp(qq, AF_INET, &socket_tmp_tree);
 		if (r == -1)
 			goto done;
-		r = sproc_net_tcp(qq, AF_INET6, &socket_tmp_tree);
-		if (r == -1)
-			goto done;
+		if (ipv6_supported()) {
+			r = sproc_net_tcp(qq, AF_INET6, &socket_tmp_tree);
+			if (r == -1)
+				goto done;
+		}
 
 		by_inode = &socket_tmp_tree;
 	}
diff --git a/quark.h b/quark.h
index 064553d..467392b 100644
--- a/quark.h
+++ b/quark.h
@@ -105,6 +105,7 @@ int	 strtou64(u64 *, const char *, int);
 char 	*find_line(FILE *, const char *);
 char	*find_line_p(const char *, const char *);
 char	*load_file_nostat(int, size_t *);
+int	 ipv6_supported(void);
 
 enum quark_verbosity_levels {
 	QUARK_VL_SILENT,
diff --git a/qutil.c b/qutil.c
index 960aa9a..338a55b 100644
--- a/qutil.c
+++ b/qutil.c
@@ -215,6 +215,20 @@ load_file_nostat(int fd, size_t *total)
 	return (buf);
 }
 
+int
+ipv6_supported(void)
+{
+	int	fd;
+	int	enabled = 0;
+
+	if ((fd = socket(AF_INET6, SOCK_STREAM, 0)) != -1) {
+		enabled = 1;
+		close(fd);
+	}
+
+	return (enabled);
+}
+
 void
 qlog_func(int pri, int do_errno, const char *func, int lineno,
     const char *fmt, ...)