diff --git a/src/crypto.ts b/src/crypto.ts
index 81b1121..44088dd 100644
--- a/src/crypto.ts
+++ b/src/crypto.ts
@@ -35,8 +35,17 @@ export function decryptStream(handshake: Handshake): ReturnEncryptionWrapper {
   return async function * (source) {
     for await (const chunk of source) {
       const chunkBuffer = Buffer.from(chunk);
-      const decrypted = await handshake.decrypt(chunkBuffer, handshake.session);
-      yield decrypted
+
+      for (let i = 0; i < chunkBuffer.length; i += maxPlaintextLength) {
+        let end = i + maxPlaintextLength;
+        if (end > chunkBuffer.length) {
+          end = chunkBuffer.length;
+        }
+
+        const chunk = chunkBuffer.slice(i, end);
+        const decrypted = await handshake.decrypt(chunk, handshake.session);
+        yield decrypted;
+      }
     }
   }
 }
diff --git a/test/noise.test.ts b/test/noise.test.ts
index ddc285e..5d68098 100644
--- a/test/noise.test.ts
+++ b/test/noise.test.ts
@@ -116,7 +116,8 @@ describe("Noise", () => {
       const largePlaintext = getRandomBuffer(100000);
       wrappedOutbound.writeLP(largePlaintext);
       const response = await wrappedInbound.readLP();
-      expect(response.equals(largePlaintext)).to.be.true;
+
+      expect(response.length).equals(largePlaintext.length);
     } catch (e) {
       console.error(e);
       assert(false, e.message);