diff --git a/config.def.h b/config.def.h
index b5b9f54..98e4c3d 100644
--- a/config.def.h
+++ b/config.def.h
@@ -2,4 +2,4 @@
 
 #define ENV_SUPATH	"/bin"
 #define ENV_PATH	"/bin"
-#define PW_CIPHER	"$6$"
+#define PW_CIPHER	"$6$"	/* SHA-512 */