diff --git a/src/osgPlugins/bmp/ReaderWriterBMP.cpp b/src/osgPlugins/bmp/ReaderWriterBMP.cpp
index 79a5f852c..99561d82d 100644
--- a/src/osgPlugins/bmp/ReaderWriterBMP.cpp
+++ b/src/osgPlugins/bmp/ReaderWriterBMP.cpp
@@ -191,6 +191,7 @@ int *numComponents_ret)
             swapbyte(&inf.width);
             swapbyte(&inf.height);
             swapbyte(&inf.ImageSize);
+            swapbyte(&inf.ColorUsed);
         }
         if (infsize==12) { // os2, protect us from our friends ? || infsize==64
             int wd = inf.width&0xffff; // shorts replace longs