diff --git a/src/util.h b/src/util.h
index 88a00d3ca..c6f8af4cd 100644
--- a/src/util.h
+++ b/src/util.h
@@ -28,9 +28,7 @@
 #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;