diff --git a/lib/hooks/useMultiTrack.ts b/lib/hooks/useMultiTrack.ts
index cff6faa..094aa62 100644
--- a/lib/hooks/useMultiTrack.ts
+++ b/lib/hooks/useMultiTrack.ts
@@ -2,6 +2,7 @@ import { useState, useCallback, useEffect } from 'react';
 import type { Track } from '@/types/track';
 import { createTrack, createTrackFromBuffer } from '@/lib/audio/track-utils';
 import { createEffectChain } from '@/lib/audio/effects/chain';
+import { DEFAULT_TRACK_HEIGHT } from '@/types/track';
 
 const STORAGE_KEY = 'audio-ui-multi-track';
 
@@ -29,6 +30,7 @@ export function useMultiTrack() {
         return parsed.map((t: any) => ({
           ...t,
           name: String(t.name || 'Untitled Track'), // Ensure name is always a string
+          height: t.height && t.height >= DEFAULT_TRACK_HEIGHT ? t.height : DEFAULT_TRACK_HEIGHT, // Migrate old heights
           audioBuffer: null, // Will need to be reloaded
           effectChain: t.effectChain || createEffectChain(`${t.name} Effects`), // Restore effect chain or create new
           selection: t.selection || null, // Initialize selection