diff --git a/src/avrdude.conf.in b/src/avrdude.conf.in
index a23a5c2e..e0baf6c2 100644
--- a/src/avrdude.conf.in
+++ b/src/avrdude.conf.in
@@ -8191,7 +8191,7 @@ part
 
     memory "lock"
         size               = 1;
-        initval            = 0x03;
+        initval            = 0x06;
     ;
 
     memory "signature"
@@ -9476,7 +9476,7 @@ part
 
     memory "lfuse"
         size               = 1;
-        initval            = 0x62;
+        initval            = 0x6E;
         min_write_delay    = 4500;
         max_write_delay    = 4500;
         read               = "0101.0000--0000.0000--xxxx.xxxx--oooo.oooo";
@@ -9620,7 +9620,7 @@ part
 
     memory "lfuse"
         size               = 1;
-        initval            = 0x62;
+        initval            = 0x6E;
         min_write_delay    = 4500;
         max_write_delay    = 4500;
         read               = "0101.0000--0000.0000--xxxx.xxxx--oooo.oooo";