diff --git a/lib/des/set_key.c b/lib/des/set_key.c
index 6714256da..ad41ff35a 100644
--- a/lib/des/set_key.c
+++ b/lib/des/set_key.c
@@ -111,7 +111,7 @@ static des_cblock weak_keys[NUM_WEAK_KEY]={
 	/* weak keys */
 	{0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01},
 	{0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE},
-	{0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F},
+	{0x1F,0x1F,0x1F,0x1F,0xE0,0xE0,0xE0,0xE0},
 	{0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0},
 	/* semi-weak keys */
 	{0x01,0xFE,0x01,0xFE,0x01,0xFE,0x01,0xFE},