diff --git a/src/osgPlugins/nvtt/NVTTImageProcessor.cpp b/src/osgPlugins/nvtt/NVTTImageProcessor.cpp
index 0fe95a2c8..5f88d77fb 100644
--- a/src/osgPlugins/nvtt/NVTTImageProcessor.cpp
+++ b/src/osgPlugins/nvtt/NVTTImageProcessor.cpp
@@ -185,7 +185,7 @@ void NVTTProcessor::convertRGBAToBGRA( std::vector<unsigned char>& outputData, c
         {
             outputData[n] = data[column*4+2];
             outputData[n+1] = data[column*4+1];
-            outputData[n+2] = data[column*4+n];
+            outputData[n+2] = data[column*4];
             outputData[n+3] = data[column*4+3];
             n+=4;
         }
@@ -203,7 +203,7 @@ void NVTTProcessor::convertRGBToBGRA( std::vector<unsigned char>& outputData, co
         {
             outputData[n] = data[column*3+2];
             outputData[n+1] = data[column*3+1];
-            outputData[n+2] = data[column*3+n];
+            outputData[n+2] = data[column*3];
             outputData[n+3] = 255;
             n+=4;
         }
@@ -343,4 +343,4 @@ void NVTTProcessor::generateMipMap(osg::Image& image, bool resizeToPowerOfTwo, C
     process( image, nvtt::Format_RGBA, true, resizeToPowerOfTwo, method, NORMAL);
 }
 
-REGISTER_OSGIMAGEPROCESSOR(nvtt, NVTTProcessor)
\ No newline at end of file
+REGISTER_OSGIMAGEPROCESSOR(nvtt, NVTTProcessor)