diff -urN blender-2.36.orig/source/blender/blenkernel/intern/blender.c blender-2.36/source/blender/blenkernel/intern/blender.c
--- blender-2.36.orig/source/blender/blenkernel/intern/blender.c	2005-03-11 01:54:56.000000000 +0900
+++ blender-2.36/source/blender/blenkernel/intern/blender.c	2005-03-11 01:57:26.000000000 +0900
@@ -647,7 +647,7 @@
 		
 	BLI_make_file_string("/", str, U.tempdir, "quit.blend");
 
-	file = open(str,O_BINARY+O_WRONLY+O_CREAT+O_TRUNC, 0666);
+	file = open(str,O_BINARY+O_WRONLY+O_CREAT+O_TRUNC+O_EXCL, 0666);
 	if(file == -1) {
 		printf("Unable to save %s\n", str);
 		return;