Index: trunk/Ohana/src/imregister/detrend/imdef.c
===================================================================
--- trunk/Ohana/src/imregister/detrend/imdef.c	(revision 14590)
+++ trunk/Ohana/src/imregister/detrend/imdef.c	(revision 27435)
@@ -43,5 +43,5 @@
   descriptor[0].mode = M_SPLIT;
   Extend = FALSE;
-  gfits_scan (&header, "EXTEND", "%t", 1, &Extend);
+  gfits_scan_alt (&header, "EXTEND", "%t", 1, &Extend);
   if (Extend) {
     descriptor[0].mode      = M_MEF;