diff -uNr atari800.orig/src/cfg.c atari800/src/cfg.c
--- atari800.orig/src/cfg.c	2016-02-23 14:28:55.247008447 +0100
+++ atari800/src/cfg.c	2016-02-23 14:29:07.360269454 +0100
@@ -68,11 +68,11 @@
 /* If another default path config path is defined use it
    otherwise use the default one */
 #ifndef DEFAULT_CFG_NAME
-#define DEFAULT_CFG_NAME ".atari800.cfg"
+#define DEFAULT_CFG_NAME ".atari800.cfg.libretro"
 #endif
 
 #ifndef SYSTEM_WIDE_CFG_FILE
-#define SYSTEM_WIDE_CFG_FILE "/etc/atari800.cfg"
+#define SYSTEM_WIDE_CFG_FILE "/etc/atari800.cfg.libretro"
 #endif
 
 static char rtconfig_filename[FILENAME_MAX];