diff --git a/sound.cpp b/sound.cpp
index 754cc450070..7328d78b841 100644
--- a/sound.cpp
+++ b/sound.cpp
@@ -905,7 +905,7 @@ void Scumm::decompressBundleSound(int index) {
 						s += 12;
 						k++;
 						c += 12;
-					} while (k < length);
+					} while (k <= length);
 				}
 			break;