diff --git a/src/whisper.cpp b/src/whisper.cpp
index f6793cb237b..b6581f2b409 100644
--- a/src/whisper.cpp
+++ b/src/whisper.cpp
@@ -6693,7 +6693,7 @@ static bool whisper_vad(
             }
 
             segment_start_samples = std::min(segment_start_samples, n_samples - 1);
-            segment_end_samples = std::min(segment_end_samples, n_samples);
+            segment_end_samples = std::min(segment_end_samples, n_samples - 1);
             int segment_length = segment_end_samples - segment_start_samples;
             if (segment_length > 0) {
                 whisper_state::vad_segment_info segment;