diff --git a/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cc b/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cc
index e6367d2c6968..0b30a492d7c5 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cc
+++ b/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cc
@@ -69,7 +69,7 @@ void *__libc_stack_end = 0;
 
 #if SANITIZER_LINUX && defined(__aarch64__)
 void InitializeGuardPtr() __attribute__((visibility("hidden")));
-extern "C" uptr _tsan_pointer_chk_guard;
+extern "C" __tsan::uptr _tsan_pointer_chk_guard;
 #endif
 
 namespace __tsan {