--- old/src/java.desktop/share/classes/com/sun/imageio/plugins/gif/GIFImageWriter.java	2016-10-04 16:22:24.996503172 +0530
+++ new/src/java.desktop/share/classes/com/sun/imageio/plugins/gif/GIFImageWriter.java	2016-10-04 16:22:24.532503172 +0530
@@ -1314,7 +1314,7 @@
         super(locale);
         this.canWriteCompressed = true;
         this.canWriteProgressive = true;
-        this.compressionTypes = new String[] {"LZW", "lzw"};
+        this.compressionTypes = new String[] {"LZW"};
         this.compressionType = compressionTypes[0];
     }