https://github.com/ImageMagick/ImageMagick/issues/331

diff --git a/MagickWand/display.c b/MagickWand/display.c
index 4003136eddd90bd11139328291d8b52669339994..8778185741791698ee1f56d6bb253bababe70c8b 100644 (file)
--- a/MagickWand/display.c
+++ b/MagickWand/display.c
@@ -459,10 +459,10 @@ WandExport MagickBooleanType DisplayImageCommand(ImageInfo *image_info,
       if (image != (Image *) NULL)
         break;
       else
-        if (isatty(STDIN_FILENO) != MagickFalse)
+        if ((isatty(STDIN_FILENO) != MagickFalse) || (argc == 1))
           option="logo:";
         else
-         option="-";
+          option="-";
     if (LocaleCompare(option,"(") == 0)
       {
         FireImageStack(MagickFalse,MagickTrue,pend);