diff --git a/tools/bpf/bpftool/btf.c b/tools/bpf/bpftool/btf.c
index c9589026da8d..bca0a3982f09 100644
--- a/tools/bpf/bpftool/btf.c
+++ b/tools/bpf/bpftool/btf.c
@@ -805,9 +805,13 @@ static int dump_btf_c(const struct btf *btf,
 
 		if (sort_dump)
 			datums = sort_btf_c(btf);
-		for (i = 1; i < cnt; i++) {
+		for (i = 0; i < cnt; i++) {
 			int idx = datums ? datums[i].index : i;
 
+			/* type ID 0 is void, skip it */
+			if (idx == 0)
+				continue;
+
 			err = btf_dump__dump_type(d, idx);
 			if (err)
 				goto done;
diff --git a/tools/testing/selftests/bpf/bpftool_btf_dump_sorted.expected b/tools/testing/selftests/bpf/bpftool_btf_dump_sorted.expected
index a9c6b688ffd7..5470b2b43229 100644
--- a/tools/testing/selftests/bpf/bpftool_btf_dump_sorted.expected
+++ b/tools/testing/selftests/bpf/bpftool_btf_dump_sorted.expected
@@ -21,6 +21,10 @@
 #endif
 #endif
 
+enum {
+	E0 = 1,
+};
+
 struct holey {
 	int c;
 	long: 32;