diff --git a/aegisub/src/audio_rendering_style.h b/aegisub/src/audio_rendering_style.h
index 489a5f449..86f6cca80 100644
--- a/aegisub/src/audio_rendering_style.h
+++ b/aegisub/src/audio_rendering_style.h
@@ -54,6 +54,8 @@ enum AudioRenderingStyle {
 /// Interface for producers of audio rendering ranges, consumers should
 /// implement this interface for objects to pass to producers.
 class AudioRenderingStyleRanges {
+protected:
+	~AudioRenderingStyleRanges() { }
 public:
 	/// @brief Add a range to the line
 	/// @param start First sample index in range