diff --git a/src/osgPlugins/rgb/ReaderWriterRGB.cpp b/src/osgPlugins/rgb/ReaderWriterRGB.cpp
index b2684bee3..034984d6e 100644
--- a/src/osgPlugins/rgb/ReaderWriterRGB.cpp
+++ b/src/osgPlugins/rgb/ReaderWriterRGB.cpp
@@ -501,6 +501,8 @@ class ReaderWriterRGB : public osgDB::ReaderWriter
             fwrite( pad, sizeof(pad), 1, fp );
             fwrite( buffer, isize, 1, fp );
 
+            delete [] buffer;
+
             fclose(fp);
             return WriteResult::FILE_SAVED;
         }