diff --git a/spectrum/src/main.cpp b/spectrum/src/main.cpp
index 82540d1124573ce29e389f51f262c5b3076e3093..2b85e39843b855de36de7123f7e04f1fee430f59 100644
--- a/spectrum/src/main.cpp
+++ b/spectrum/src/main.cpp
@@ -24,7 +24,8 @@
 #include <sys/resource.h>
 #include "libgen.h"
 #else
-#include <windows.h>
+#include <process.h>
+#define getpid _getpid
 #endif
 #include <sys/stat.h>