https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5820

diff --git a/MagickCore/geometry.c b/MagickCore/geometry.c
index 8f925e2e54aa4518c9aaf1d5c3a69129f748533c..794cf6adf3bb2716bace40015a8f04abf04400a7 100644 (file)
--- a/MagickCore/geometry.c
+++ b/MagickCore/geometry.c
@@ -1123,7 +1123,7 @@ MagickExport MagickStatusType ParseGeometry(const char *geometry,
       if ((flags & SigmaValue) != 0)
         geometry_info->rho*=PerceptibleReciprocal(geometry_info->sigma);
       geometry_info->sigma=1.0;
-      if (((flags & XiNegative) != 0) && (geometry_info->xi == 0.0))
+      if (((flags & XiValue) != 0) && (geometry_info->xi == 0.0))
         geometry_info->sigma=2.0;
     }
   if (((flags & SigmaValue) == 0) && ((flags & XiValue) != 0) &&