diff --git a/MagickWand/operation.c b/MagickWand/operation.c
index fdb2aec..bafc238 100644
--- a/MagickWand/operation.c
+++ b/MagickWand/operation.c
@@ -2060,8 +2060,8 @@
kernel_info=AcquireKernelInfo(arg1);
if (kernel_info == (KernelInfo *) NULL)
CLIWandExceptArgBreak(OptionError,"InvalidArgument",option,arg1);
- new_image=MorphologyImage(_image,ConvolveMorphology,1,kernel_info,
- _exception);
+ new_image=MorphologyImage(_image,CorrelateMorphology,1,kernel_info,
+ _exception);
kernel_info=DestroyKernelInfo(kernel_info);
break;
}