diff --git a/src/windows.cpp b/src/windows.cpp
index c4809c072c..5a03a8bc80 100644
--- a/src/windows.cpp
+++ b/src/windows.cpp
@@ -833,11 +833,13 @@ class MySystem: public System {
   const char* crashDumpDirectory;
 };
 
-struct __attribute__ ((__packed__)) MINIDUMP_EXCEPTION_INFORMATION {
+#pragma pack(push,4)
+struct MINIDUMP_EXCEPTION_INFORMATION {
   DWORD thread;
   LPEXCEPTION_POINTERS exception;
   BOOL exceptionInCurrentAddressSpace;
 };
+#pragma pack(pop)
 
 struct MINIDUMP_USER_STREAM_INFORMATION;
 struct MINIDUMP_CALLBACK_INFORMATION;