diff --git a/tools/testing/selftests/bpf/prog_tests/snprintf_btf.c b/tools/testing/selftests/bpf/prog_tests/snprintf_btf.c
index 3a8ecf833adc0..3c63a7003db49 100644
--- a/tools/testing/selftests/bpf/prog_tests/snprintf_btf.c
+++ b/tools/testing/selftests/bpf/prog_tests/snprintf_btf.c
@@ -27,7 +27,7 @@ void test_snprintf_btf(void)
 		goto cleanup;
 
 	/* generate receive event */
-	system("ping -c 1 127.0.0.1 > /dev/null");
+	(void) system("ping -c 1 127.0.0.1 > /dev/null");
 
 	if (bss->skip) {
 		printf("%s:SKIP:no __builtin_btf_type_id\n", __func__);