diff --git a/Sources/Plasma/PubUtilLib/plNetTransport/plNetTransport.cpp b/Sources/Plasma/PubUtilLib/plNetTransport/plNetTransport.cpp
index 9fdbfaa9..e9b3bdf2 100644
--- a/Sources/Plasma/PubUtilLib/plNetTransport/plNetTransport.cpp
+++ b/Sources/Plasma/PubUtilLib/plNetTransport/plNetTransport.cpp
@@ -48,6 +48,10 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 #include "plNetClient/plNetClientMgr.h"
 #include <algorithm>
 
+#if HS_BUILD_FOR_UNIX
+#include <float.h>
+#endif
+
 plNetTransport::~plNetTransport()
 {
     ClearMembers();