diff --git a/src/osgPlugins/quicktime/QTUtils.h b/src/osgPlugins/quicktime/QTUtils.h
index e92cebc3f..0372f37f8 100644
--- a/src/osgPlugins/quicktime/QTUtils.h
+++ b/src/osgPlugins/quicktime/QTUtils.h
@@ -18,7 +18,7 @@
 // #define QT_HANDLE_IMAGES_ALSO
 
 #ifdef __APPLE__
-    #include <Quicktime/Quicktime.h>
+    #include <QuickTime/QuickTime.h>
     #include <Carbon/Carbon.h>
     #define QT_HANDLE_IMAGES_ALSO
 #else