diff --git a/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp b/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp
--- a/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp
+++ b/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp
@@ -2452,7 +2452,7 @@
   internal_memset(&act.sa_mask, -1, sizeof(act.sa_mask));
   act.sa_flags = 0;
   __sanitizer_sigaction old;
-  int res = sigaction_symname(sig, &act, &old);
+  int res = REAL(sigaction_symname)(sig, &act, &old);
   if (res) return (__sanitizer_sighandler_ptr)sig_err;
   return old.handler;
 }