(no commit message)

diff --git a/MagickWand/compare.c b/MagickWand/compare.c
index 019a9d4c5d9867d042ec34461edfab338fce5235..b7f71f4d8fce36b46f38a50d2e7c1dbe73616216 100644 (file)
--- a/MagickWand/compare.c
+++ b/MagickWand/compare.c
@@ -954,7 +954,8 @@ WandExport MagickBooleanType CompareImagesCommand(ImageInfo *image_info,
     difference_image=CompareImages(image,reconstruct_image,metric,&distortion,
       exception);
   else
-    if (similarity_image == (Image *) NULL)
+    if ((similarity_image == (Image *) NULL) &&
+        (metric != PerceptualHashErrorMetric))
       ThrowCompareException(OptionError,"ImageWidthsOrHeightsDiffer",
         image->filename)
     else