diff --git a/src/osgDB/CMakeLists.txt b/src/osgDB/CMakeLists.txt
index 3ab40eab2..7b7c1f0aa 100644
--- a/src/osgDB/CMakeLists.txt
+++ b/src/osgDB/CMakeLists.txt
@@ -60,6 +60,10 @@ IF(APPLE)
     ADD_DEFINITIONS(-DDARWIN_QUICKTIME)
 ENDIF(APPLE)
 
+IF(QUICKTIME_FOUND)
+    ADD_DEFINITIONS(-DUSE_QUICKTIME)
+ENDIF(QUICKTIME_FOUND)
+
 IF(XINE_FOUND)
         ADD_DEFINITIONS(-DUSE_XINE)
 ENDIF(XINE_FOUND)
diff --git a/src/osgDB/Registry.cpp b/src/osgDB/Registry.cpp
index 9ef2647a4..ae49c6926 100644
--- a/src/osgDB/Registry.cpp
+++ b/src/osgDB/Registry.cpp
@@ -209,8 +209,10 @@ Registry::Registry()
     addFileExtensionAlias("flv",  "qt");
     addFileExtensionAlias("mpv",  "qt");
     addFileExtensionAlias("dv",   "qt");
-    addFileExtensionAlias("mp4",   "qt");
-    addFileExtensionAlias("m4v",   "qt");
+    addFileExtensionAlias("mp4",  "qt");
+    addFileExtensionAlias("m4v",  "qt");
+    // Add QuickTime live support for OSX
+    addFileExtensionAlias("live", "qt");
 #else
     addFileExtensionAlias("jpg",  "jpeg");
     addFileExtensionAlias("jpe",  "jpeg");
@@ -227,9 +229,13 @@ Registry::Registry()
         addFileExtensionAlias("flv",  "xine");
     #endif
 
+    // support QuickTime for Windows
+    #if defined(USE_QUICKTIME)
+        addFileExtensionAlias("mov", "qt");
+        addFileExtensionAlias("live", "qt");
+    #endif
 #endif
 
-
     // remove geo to lwo alias as the new Carbon Graphics GEO format
     // also uses the .geo. It is still possible to load light wave .geo
     // files via loading the lwo plugin explicitly and then doing a readNodeFile.