Index: trunk/psModules/src/camera/pmFPAfileFitsIO.c
===================================================================
--- trunk/psModules/src/camera/pmFPAfileFitsIO.c	(revision 8815)
+++ trunk/psModules/src/camera/pmFPAfileFitsIO.c	(revision 9067)
@@ -157,5 +157,5 @@
             }
             psMetadataAdd (outhead, PS_LIST_TAIL, "EXTEND", PS_DATA_BOOL | PS_META_REPLACE, "this file has extensions", true);
-            psFitsWriteBlank (file->fits, outhead);
+            psFitsWriteBlank (file->fits, outhead, "");
             file->phu = phu->header;
             psTrace ("pmFPAfile", 5, "wrote phu %s (type: %d)\n", file->filename, file->type);