diff --git a/Engine/source/T3D/aiPlayer.cpp b/Engine/source/T3D/aiPlayer.cpp
index 4a8e3b955..577422674 100644
--- a/Engine/source/T3D/aiPlayer.cpp
+++ b/Engine/source/T3D/aiPlayer.cpp
@@ -28,6 +28,8 @@
 #include "T3D/gameBase/moveManager.h"
 #include "console/engineAPI.h"
 
+#include <cfloat>
+
 static U32 sAIPlayerLoSMask = TerrainObjectType | StaticShapeObjectType | StaticObjectType;
 
 IMPLEMENT_CO_NETOBJECT_V1(AIPlayer);
diff --git a/Engine/source/navigation/navPath.cpp b/Engine/source/navigation/navPath.cpp
index dfc3e1512..72ce494c7 100644
--- a/Engine/source/navigation/navPath.cpp
+++ b/Engine/source/navigation/navPath.cpp
@@ -37,6 +37,7 @@
 #include "math/mathIO.h"
 
 #include <DetourDebugDraw.h>
+#include <climits>
 
 extern bool gEditingMission;