diff --git a/expat/lib/xmlparse.c b/expat/lib/xmlparse.c
index 5fdd79a..c0e8f6e 100644
--- a/expat/lib/xmlparse.c
+++ b/expat/lib/xmlparse.c
@@ -6,9 +6,14 @@
 #include <string.h>                     /* memset(), memcpy() */
 #include <assert.h>
 #include <limits.h>                     /* UINT_MAX */
+
+#ifdef COMPILING_FOR_WINDOWS
+#define getpid GetCurrentProcessId
+#else
 #include <sys/time.h>                   /* gettimeofday() */
 #include <sys/types.h>                  /* getpid() */
 #include <unistd.h>                     /* getpid() */
+#endif
 
 #define XML_BUILDING_EXPAT 1