diff --git a/components/sceneutil/mwshadowtechnique.cpp b/components/sceneutil/mwshadowtechnique.cpp
index cb3a1b2..62cfeec 100644
--- a/components/sceneutil/mwshadowtechnique.cpp
+++ b/components/sceneutil/mwshadowtechnique.cpp
@@ -24,6 +24,7 @@
 #include <osg/io_utils>
 
 #include <sstream>
+#include <limits>
 
 namespace {
 
diff --git a/components/sceneutil/shadow.cpp b/components/sceneutil/shadow.cpp
index 035c19a..aba1b81 100644
--- a/components/sceneutil/shadow.cpp
+++ b/components/sceneutil/shadow.cpp
@@ -4,6 +4,7 @@
 
 #include <components/sceneutil/vismask.hpp>
 #include <components/settings/settings.hpp>
+#include <limits>
 
 namespace SceneUtil
 {
diff --git a/components/terrain/quadtreeworld.cpp b/components/terrain/quadtreeworld.cpp
index f998b78..e0e47dd 100644
--- a/components/terrain/quadtreeworld.cpp
+++ b/components/terrain/quadtreeworld.cpp
@@ -3,6 +3,7 @@
 #include <osgUtil/CullVisitor>
 
 #include <sstream>
+#include <limits>
 
 #include <components/misc/constants.hpp>
 #include <components/sceneutil/mwshadowtechnique.hpp>