diff --git a/src/util.h b/src/util.h
index 5c62450a7..4275d4d07 100644
--- a/src/util.h
+++ b/src/util.h
@@ -28,7 +28,9 @@
 #include <boost/signals2/signal.hpp>
 #include <boost/thread/exceptions.hpp>
 
+#ifndef WIN32
 #include <signal.h>
+#endif
 
 static const bool DEFAULT_LOGTIMEMICROS = false;
 static const bool DEFAULT_LOGIPS        = false;