Index: trunk/psLib/src/imageops/psImageInterpolate.c
===================================================================
--- trunk/psLib/src/imageops/psImageInterpolate.c	(revision 18162)
+++ trunk/psLib/src/imageops/psImageInterpolate.c	(revision 18297)
@@ -7,6 +7,6 @@
  *  @author Paul Price, IfA
  *
- *  @version $Revision: 1.12 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2008-06-17 21:24:58 $
+ *  @version $Revision: 1.13 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2008-06-24 01:47:14 $
  *
  *  Copyright 2004-2007 Institute for Astronomy, University of Hawaii
@@ -586,4 +586,5 @@
                 *varianceValue += xInterpValue * kernel2; /* Interpolating in y */ \
             } \
+            *varianceValue /= ySumKernel2; \
             break; \
           }