--- /dev/null
+diff --git a/sysdep/config.h b/sysdep/config.h
+index 03399bd..bc5eb77 100644
+--- a/sysdep/config.h
++++ b/sysdep/config.h
+@@ -46,11 +46,11 @@ typedef u16 word;
+ # endif
+ #else
+ # ifdef DEBUGGING
+-# define PATH_CONFIG "bird.conf"
+-# define PATH_CONTROL_SOCKET "bird.ctl"
++# define PATH_CONFIG "bird4.conf"
++# define PATH_CONTROL_SOCKET "bird4.ctl"
+ # else
+-# define PATH_CONFIG PATH_CONFIG_DIR "/bird.conf"
+-# define PATH_CONTROL_SOCKET PATH_CONTROL_SOCKET_DIR "/bird.ctl"
++# define PATH_CONFIG PATH_CONFIG_DIR "/bird4.conf"
++# define PATH_CONTROL_SOCKET PATH_CONTROL_SOCKET_DIR "/bird4.ctl"
+ # endif
+ #endif
+