diff -up unix2dos-2.2/unix2dos.c.mode unix2dos-2.2/unix2dos.c
--- unix2dos-2.2/unix2dos.c.mode	2008-09-08 10:13:39.000000000 +0100
+++ unix2dos-2.2/unix2dos.c	2008-09-08 10:13:39.000000000 +0100
@@ -292,11 +292,14 @@ int ConvertUnixToDosOldFile(char* ipInFN
   char TempPath[16];
   struct stat StatBuf;
   struct utimbuf UTimeBuf;
+  mode_t mode = S_IRUSR | S_IWUSR;
   int fd;
 
   /* retrieve ipInFN file date stamp */
-  if ((ipFlag->KeepDate) && stat(ipInFN, &StatBuf))
+  if (stat(ipInFN, &StatBuf))
     RetVal = -1;
+  else
+    mode = StatBuf.st_mode;
 
   strcpy (TempPath, "./u2dtmpXXXXXX");
   if((fd=mkstemp (TempPath)) < 0) {
@@ -304,6 +307,9 @@ int ConvertUnixToDosOldFile(char* ipInFN
       RetVal = -1;
   }
 
+  if (!RetVal && fchmod (fd, mode) && fchmod (fd, S_IRUSR | S_IWUSR))
+    RetVal = -1;
+
 #ifdef DEBUG
   fprintf(stderr, "unix2dos: using %s as temp file\n", TempPath);
 #endif DEBUG