diff -Bur simscan-1.4.0/simscanmk.c simscan-1.4.0-r4/simscanmk.c
--- simscan-1.4.0/simscanmk.c	2009-12-30 17:34:12.765205836 +0100
+++ simscan-1.4.0-r4/simscanmk.c	2009-12-30 17:39:21.116705819 +0100
@@ -130,7 +130,7 @@
   int fnd_patvers;
 #endif
 
-  if ( (fdout = open(CdbTmpFile, O_CREAT | O_TRUNC | O_WRONLY)) < 0) {
+  if ( (fdout = open(CdbTmpFile, O_CREAT | O_TRUNC | O_WRONLY, 0644)) < 0) {
     printf("error on open tmp file\n");
     return(-1);
   }
@@ -376,7 +376,7 @@
     return(-1);
   }
  
-  if ( (fdout = open(CdbTmpFile, O_CREAT | O_TRUNC | O_WRONLY)) < 0) {
+  if ( (fdout = open(CdbTmpFile, O_CREAT | O_TRUNC | O_WRONLY, 0644)) < 0) {
      printf("error on open tmp file\n");
     return(-1);
   }