diff --git a/tools/testing/selftests/bpf/prog_tests/signal_pending.c b/tools/testing/selftests/bpf/prog_tests/signal_pending.c
index f2a37bbf91ab..996e808f43a2 100644
--- a/tools/testing/selftests/bpf/prog_tests/signal_pending.c
+++ b/tools/testing/selftests/bpf/prog_tests/signal_pending.c
@@ -12,7 +12,7 @@ static void test_signal_pending_by_type(enum bpf_prog_type prog_type)
 	struct itimerval timeo = {
 		.it_value.tv_usec = 100000, /* 100ms */
 	};
-	__u32 duration, retval;
+	__u32 duration = 0, retval;
 	int prog_fd;
 	int err;
 	int i;