https://github.com/ImageMagick/ImageMagick/issues/745

diff --git a/coders/mat.c b/coders/mat.c
index d9f150763f691f82ebf17a509df8bd87ca48a340..efe08943a502c9c22214cacb29b9e51316ac7c1e 100644 (file)
--- a/coders/mat.c
+++ b/coders/mat.c
@@ -632,7 +632,7 @@ static Image *ReadMATImageV4(const ImageInfo *image_info,Image *image,
 
   quantum_info=(QuantumInfo *) NULL;
   (void) SeekBlob(image,0,SEEK_SET);
-  while (EOFBlob(image) != MagickFalse)
+  while (EOFBlob(image) == MagickFalse)
   {
     /*
      Object parser loop.