diff --git a/lib/android/exec.js b/lib/android/exec.js
index f55b5ad..08d3e56 100644
--- a/lib/android/exec.js
+++ b/lib/android/exec.js
@@ -75,7 +75,7 @@
     // Process any ArrayBuffers in the args into a string.
     for (var i = 0; i < args.length; i++) {
         if (utils.typeName(args[i]) == 'ArrayBuffer') {
-            args[i] = utils.encodeBase64(args[i]);
+            args[i] = base64.fromArrayBuffer(args[i]);
         }
     }