diff --git a/lib/Voice/VolumeTransformer.js b/lib/Voice/VolumeTransformer.js
index ad01b6614..b0b1f5c48 100644
--- a/lib/Voice/VolumeTransformer.js
+++ b/lib/Voice/VolumeTransformer.js
@@ -50,7 +50,7 @@ var Volume = (function (_Transform) {
 			// Check whether the index is actually in range - sometimes it's possible
 			// that it skips ahead too far before the end condition of the for can
 			// kick in.
-			if (i >= buffer.length) {
+			if (i >= buffer.length - 1) {
 				break;
 			}
 
diff --git a/src/Voice/VolumeTransformer.js b/src/Voice/VolumeTransformer.js
index 17cfb8136..6fc41d7f9 100644
--- a/src/Voice/VolumeTransformer.js
+++ b/src/Voice/VolumeTransformer.js
@@ -47,7 +47,7 @@ class Volume extends Transform {
 			// Check whether the index is actually in range - sometimes it's possible
 			// that it skips ahead too far before the end condition of the for can
 			// kick in.
-			if (i >= buffer.length) {
+			if (i >= buffer.length - 1) {
 				break;
 			}