diff --git a/compiler-rt/lib/sanitizer_common/symbolizer/sanitizer_wrappers.cpp b/compiler-rt/lib/sanitizer_common/symbolizer/sanitizer_wrappers.cpp
--- a/compiler-rt/lib/sanitizer_common/symbolizer/sanitizer_wrappers.cpp
+++ b/compiler-rt/lib/sanitizer_common/symbolizer/sanitizer_wrappers.cpp
@@ -20,7 +20,7 @@
 #include <tuple>
 
 // Need to match ../sanitizer_common/sanitizer_internal_defs.h
-#if defined(ARCH_PPC)
+#if !defined(__x86_64__) && !defined(_WIN64)
 #define OFF_T unsigned long
 #else
 #define OFF_T unsigned long long