diff --git a/src/osgDB/InputStream.cpp b/src/osgDB/InputStream.cpp
index 3d4a77a06..cbce77c23 100644
--- a/src/osgDB/InputStream.cpp
+++ b/src/osgDB/InputStream.cpp
@@ -684,7 +684,7 @@ osg::Image* InputStream::readImage(bool readFromExternal)
                 image = new osg::Image;
                 image->setOrigin( (osg::Image::Origin)origin );
                 image->setImage( s, t, r, internalFormat, pixelFormat, dataType,
-                    (unsigned char*)data, (osg::Image::AllocationMode)mode, packing );
+                    (unsigned char*)data, osg::Image::USE_NEW_DELETE, packing );
             }
 
             // _mipmapData
diff --git a/src/osgPlugins/ive/Image.cpp b/src/osgPlugins/ive/Image.cpp
index d9b1a4580..e0358e8c4 100644
--- a/src/osgPlugins/ive/Image.cpp
+++ b/src/osgPlugins/ive/Image.cpp
@@ -133,9 +133,10 @@ void Image::read(DataInputStream* in)
 
 
         // Read image data if any
+        unsigned int dataSize = 0;
         if(in->readBool())
         {
-            unsigned int dataSize = (unsigned int)in->readInt();
+            dataSize = (unsigned int)in->readInt();
 
             //static int totalSize = 0;
 
@@ -154,6 +155,12 @@ void Image::read(DataInputStream* in)
         }
 
         _mipmapData.swap(mipmapData);
+
+        // If data size does not match computed image size, then clear mipmaps since we probably have invalid offsets
+        if (dataSize > 0 && dataSize != getTotalSizeInBytesIncludingMipmaps())
+        {
+            _mipmapData.clear();
+        }
     }
     else{
         in_THROW_EXCEPTION("Image::read(): Expected Image identification.");