Index: /trunk/magic/remove/src/streaksremove.c
===================================================================
--- /trunk/magic/remove/src/streaksremove.c	(revision 25082)
+++ /trunk/magic/remove/src/streaksremove.c	(revision 25083)
@@ -815,5 +815,5 @@
         addDestreakKeyword(header);
 
-        if (!psFitsWriteBlank(in->fits, header, extname)) {
+        if (!psFitsWriteBlank(out->fits, header, extname)) {
             psError(PS_ERR_IO, false, "failed to write blank in header of %s", in->resolved_name);
             streaksExit("", PS_EXIT_DATA_ERROR);