diff --git a/compiler-rt/lib/rtsan/tests/rtsan_test_interceptors_posix.cpp b/compiler-rt/lib/rtsan/tests/rtsan_test_interceptors_posix.cpp
index 26a3b252d3b6b..9b684e36e3b35 100644
--- a/compiler-rt/lib/rtsan/tests/rtsan_test_interceptors_posix.cpp
+++ b/compiler-rt/lib/rtsan/tests/rtsan_test_interceptors_posix.cpp
@@ -752,8 +752,8 @@ TEST_F(RtsanOpenedFileTest, RewindDieWhenRealtime) {
 }
 #endif
 
-TEST(TestRtsanInterceptors, IoctlDiesWhenRealtime) {
-  auto Func = []() { ioctl(0, FIONREAD); };
+TEST_F(RtsanOpenedFileTest, IoctlDiesWhenRealtime) {
+  auto Func = [this]() { ioctl(GetOpenFd(), FIONREAD); };
   ExpectRealtimeDeath(Func, "ioctl");
   ExpectNonRealtimeSurvival(Func);
 }