(no commit message)

diff --git a/coders/icon.c b/coders/icon.c
index 9dd025ea17ac6a06d76adc875f3dbd9aef9a0c64..acfda700ea2752eb963bb5a4baba57285c255cdf 100644 (file)
--- a/coders/icon.c
+++ b/coders/icon.c
@@ -862,7 +862,8 @@ static MagickBooleanType WriteICONImage(const ImageInfo *image_info,
   next=image;
   do
   {
-    if (next->compression == ZipCompression)
+    if ((next->columns > 256L) && (next->rows > 256L) &&
+        (next->compression == ZipCompression))
       {
         Image
           *write_image;