Index: /trunk/psLib/src/imageops/psImageCovariance.c
===================================================================
--- /trunk/psLib/src/imageops/psImageCovariance.c	(revision 21287)
+++ /trunk/psLib/src/imageops/psImageCovariance.c	(revision 21288)
@@ -39,6 +39,5 @@
         covar = psMemIncrRefCounter((psKernel*)covariance); // Casting away const
     } else {
-        covar = psKernelAlloc(0, 0, 0, 0);
-        covar->kernel[0][0] = 1.0;
+        covar = psImageCovarianceNone();
     }