Index: trunk/psModules/src/astrom/pmAstrometryWCS.c
===================================================================
--- trunk/psModules/src/astrom/pmAstrometryWCS.c	(revision 20662)
+++ trunk/psModules/src/astrom/pmAstrometryWCS.c	(revision 20720)
@@ -7,6 +7,6 @@
  *  @author EAM, IfA
  *
- *  @version $Revision: 1.30 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2008-11-11 02:04:13 $
+ *  @version $Revision: 1.31 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2008-11-13 19:38:16 $
  *
  *  Copyright 2006 Institute for Astronomy, University of Hawaii
@@ -402,4 +402,12 @@
     }
 
+    // remove any existing 'CDi_j style' wcs keywords
+    if (psMetadataLookup(header, "CD1_1")) {
+        psMetadataRemoveKey(header, "CD1_1");
+        psMetadataRemoveKey(header, "CD1_2");
+        psMetadataRemoveKey(header, "CD2_1");
+        psMetadataRemoveKey(header, "CD2_2");
+    }
+
     return true;
 }