diff --git a/src/core/operations/ChaCha.mjs b/src/core/operations/ChaCha.mjs
index 166c1663..40ba46dc 100644
--- a/src/core/operations/ChaCha.mjs
+++ b/src/core/operations/ChaCha.mjs
@@ -191,7 +191,7 @@ ChaCha uses a nonce of 8 or 12 bytes (64 or 96 bits).`);
         if (outputType === "Hex") {
             return toHex(output);
         } else {
-            return Utils.arrayBufferToStr(output);
+            return Utils.arrayBufferToStr(Uint8Array.from(output).buffer);
         }
     }
 
diff --git a/tests/operations/tests/ChaCha.mjs b/tests/operations/tests/ChaCha.mjs
index 44b39a67..d194390d 100644
--- a/tests/operations/tests/ChaCha.mjs
+++ b/tests/operations/tests/ChaCha.mjs
@@ -58,6 +58,25 @@ ChaCha uses a nonce of 8 or 12 bytes (64 or 96 bits).`,
             }
         ],
     },
+    {
+        name: "ChaCha: RFC8439 Raw output",
+        input: "Ladies and Gentlemen of the class of '99: If I could offer you only one tip for the future, sunscreen would be it.",
+        expectedOutput: "6e 2e 35 9a 25 68 f9 80 41 ba 07 28 dd 0d 69 81 e9 7e 7a ec 1d 43 60 c2 0a 27 af cc fd 9f ae 0b f9 1b 65 c5 52 47 33 ab 8f 59 3d ab cd 62 b3 57 16 39 d6 24 e6 51 52 ab 8f 53 0c 35 9f 08 61 d8 07 ca 0d bf 50 0d 6a 61 56 a3 8e 08 8a 22 b6 5e 52 bc 51 4d 16 cc f8 06 81 8c e9 1a b7 79 37 36 5a f9 0b bf 74 a3 5b e6 b4 0b 8e ed f2 78 5e 42 87 4d",
+        recipeConfig: [
+            {
+                "op": "ChaCha",
+                "args": [
+                    {"option": "Hex", "string": "00:01:02:03:04:05:06:07:08:09:0a:0b:0c:0d:0e:0f:10:11:12:13:14:15:16:17:18:19:1a:1b:1c:1d:1e:1f"},
+                    {"option": "Hex", "string": "00:00:00:00:00:00:00:4a:00:00:00:00"},
+                    1, "20", "Raw", "Raw",
+                ]
+            },
+            {
+                "op": "To Hex",
+                "args": []
+            },
+        ],
+    },
     {
         name: "ChaCha: draft-strombergson-chacha-test-vectors-01 TC7.1",
         input: "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00",