diff --git a/question/type/ddimageortext/pix/icon.gif b/question/type/ddimageortext/pix/icon.gif deleted file mode 100644 index f5705c637b7..00000000000 Binary files a/question/type/ddimageortext/pix/icon.gif and /dev/null differ diff --git a/question/type/ddimageortext/pix/icon.png b/question/type/ddimageortext/pix/icon.png new file mode 100644 index 00000000000..e368b120236 Binary files /dev/null and b/question/type/ddimageortext/pix/icon.png differ