diff --git a/source/main.cpp b/source/main.cpp
index 2306de1..971a735 100644
--- a/source/main.cpp
+++ b/source/main.cpp
@@ -346,7 +346,7 @@ bool hakoniwaSequenceHook(HakoniwaSequence* sequence) {
             if(debugPuppetIndex < 0) {
                 debugPuppetIndex = playBufSize - 2;
             }
-            if (debugPuppetIndex >= playBufSize)
+            if (debugPuppetIndex >= playBufSize - 1)
                 debugPuppetIndex = 0;
         }