Index: trunk/Ohana/src/opihi/dvo/imbox.c
===================================================================
--- trunk/Ohana/src/opihi/dvo/imbox.c	(revision 20193)
+++ trunk/Ohana/src/opihi/dvo/imbox.c	(revision 20212)
@@ -58,6 +58,6 @@
 
     if (!haveNx && !haveNy) {
-	haveNx = gfits_scan (header, "ZNAXIS1",   "%d", 1, &Nx);
-	haveNy = gfits_scan (header, "ZNAXIS2",   "%d", 1, &Ny);
+	haveNx = gfits_scan (&header, "ZNAXIS1",   "%d", 1, &Nx);
+	haveNy = gfits_scan (&header, "ZNAXIS2",   "%d", 1, &Ny);
     }