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;
         }