diff --git a/wolfcrypt/benchmark/benchmark.c b/wolfcrypt/benchmark/benchmark.c
index c0ea08f0a..923a186d0 100644
--- a/wolfcrypt/benchmark/benchmark.c
+++ b/wolfcrypt/benchmark/benchmark.c
@@ -261,7 +261,8 @@ static const XGEN_ALIGN byte key[] =
 {
     0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef,
     0xfe,0xde,0xba,0x98,0x76,0x54,0x32,0x10,
-    0x89,0xab,0xcd,0xef,0x01,0x23,0x45,0x67
+    0x89,0xab,0xcd,0xef,0x01,0x23,0x45,0x67,
+    0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef
 };
 
 static const XGEN_ALIGN byte iv[] =